Download Publications 1-128, and prior

Princeton University
128.
Pappas, I.; Chirik, P. J. “Synthesis and carbonylation of oxotitanocyclobutanes derived from
allene cycloaddition to a monomeric titanocene oxide.” Polyhedron 2014, 84, 67-73.
127.
Margulieux, G. W.; Turner, Z. R.; Chirik, P. J. “Synthesis and Ligand Modification Chemistry of
a Molybdenum Dinitrogen Complex: Redox and Chemical Activity of a Bis(imino)pyridine
Ligand.” Angew. Chem. Int. Ed. 2014, 53, 14211-14215.
126.
Darmon, J. M.; Yu, R. P.; Semproni, S. P.; Turner, Z. R.; Stieber, S. C. E.; DeBeer, S.; Chirik, P.
J. “Electronic Structure Determination of Pyridine N-Heterocyclic Carbene Iron Dinitrogen
Complexes and Neutral Ligand Derivatives.” Organometallics 2014, 33, 5423–5433.
125.
Friedfeld, M. R.; Margulieux, G. W.; Schaefer, B. A.; Chirik, P. J. “Bis(phosphine)cobalt Dialkyl
Complexes for Directed Catalytic Alkene Hydrogenation.” J. Am. Chem. Soc. 2014, 136,
13178-13181.
124.
Scheuermann, M. L.; Semproni, S. P.; Pappas, I.; Chirik, P. J. “Carbon Dioxide Hydrosilylation
Promoted by Cobalt Pincer Complexes.” Inorg. Chem. 2014, 53, 9463–9465.
123.
Atienza, C. C. H.; Diao, T.; Weller, K. J.; Nye, S. A.; Lewis, K. M.; Delis, J. G. P.; Boyer, J. L.;
Roy, A. K.; Chirik, P. J. “Bis(imino)pyridine Cobalt-Catalyzed Dehydrogenative Silylation of
Alkenes: Scope, Mechanism, and Origins of Selective Allylsilane Formation.” J. Am. Chem.
Soc. 2014, 136, 12108-12118.
122.
Milsmann, C.; Semproni, S. P.; Chirik, P. J. “N–N Bond Cleavage of 1,2-Diarylhydrazines and
N–H Bond Formation via H-Atom Transfer in Vanadium Complexes Supported by a RedoxActive Ligand.” J. Am. Chem. Soc. 2014, 136, 12099-12107.
121.
Semproni, S. P.; Chirik, P. J. “N–H and N–C Bond Formation with an N2-Derived Dihafnium μNitrido Complex.” Organometallics 2014, 33, 3727-3737.
120.
Semproni, S. P.; Milsmann, C.; Chirik, P. J. “Four-Coordinate Cobalt Pincer Complexes:
Electronic Structure Studies and Ligand Modification by Homolytic and Heterolytic
Pathways.” J. Am. Chem. Soc. 2014, 136), 9211-9224.
119.
Hoyt, J. M.; Shevlin, M.; Margulieux, G. W.; Krska, S. W.; Tudge, M. T.; Chirik, P. J. “Synthesis
and Hydrogenation Activity of Iron Dialkyl Complexes with Chiral Bidentate Phosphines.”
Organometallics 2014, 33, 5781-5790.
118.
Pappas, I.; Chirik, P. J. “Alkyne Cycloaddition to a Titanocene Oxide as a Route to
Cyclopentadienyl Modification.” Angew. Chem. Int. Ed. 2014, 53, 6241-6244.
117.
Margulieux, G. M.; Semproni, S. P.; Chirik, P. J. “Photochemically Induced Reductive
Elimination as a Route to a Zirconocene Complex with a Strongly Activated N2 Ligand.”
Angew. Chem. Int. Ed. 2014, 53, 9189-9192.
116.
Obligacion, J. V.; Semproni, S. P.; Chirik, P. J. “Cobalt-Catalyzed C–H Borylation.” J. Am.
Chem. Soc. 2014, 136, 4133-4136.
115.
Semproni, S. P.; Atienze, C. C. H.; Chirik, P. J. “Oxidative addition and C–H activation
chemistry with a PNP pincer-ligated cobalt complex.” Chem. Sci. 2014, 5, 1956-1960.
114.
Russel, S. K.; Hoyt, J. M.; Bart, S. C.; Milsmann, C.; Stieber, S. C. E.; Semproni, S. P.; DeBeer,
S.; Chirik, P. J. “Synthesis, electronic structure and reactivity of bis(imino)pyridine iron
carbene complexes: evidence for a carbene radical.” Chem. Sci. 2014, 5, 1168-1174.
113.
Obligacion, J. V.; Chirik, P. J. “Bis(imino)pyridine Cobalt-Catalyzed Alkene Isomerization–
Hydroboration: A Strategy for Remote Hydrofunctionalization with Terminal Selectivity.” J.
Am. Chem. Soc. 2013, 135, 19107-19110.
112.
Friedfeld, M. R.; Shevlin, M.; Hoyt, J. M.; Krska, S. W.; Tudge, M. T.; Chirik, P. J. “Cobalt
Precursors for High-Throughput Discovery of Base Metal Asymmetric Alkene Hydrogenation
Catalysts.” Science 2013, 342, 1076-1080.
111.
Semproni, S. P.; Chirik, P. J. “Activation of Dinitrogen-Derived Hafnium Nitrides for
Nucleophilic N-C Bond Formation with a Terminal Isocyanate.” Angew. Chem. Int.
Ed. 2013, 125, 13203-13207.
110.
Yu, R. R.; Darmon, J. M.; Milsmann, C.; Margulieux, G. W.; Stieber, S. C. E.; DeBeer, S.; Chirik,
P. J. “Catalytic Hydrogenation Activity and Electronic Structure Determination of
Bis(arylimidazol-2-ylidene)pyridine Cobalt Alkyl and Hydride Complexes.” J. Am. Chem.
Soc. 2013, 135, 13168–13184.
109.
Semproni, S. P.; Chirik, P. J. “Synthesis of a Base-Free Hafnium Nitride from N2 Cleavage: A
Versatile Platform for Dinitrogen Functionalization.” J. Am. Chem. Soc. 2013, 135, 11373–
11383.
108.
Obligacion, J. V.; Chirik, P. J. “Highly Selective Bis(imino)pyridine Iron-Catalyzed Alkene
Hydroboration.” Org. Lett. 2013, 15, 2680–2683.
107.
Atienza, C. C. H.; Milsmann, C.; Semproni, S. P.; Turner, Z. R.; Chirik, P. J. “Reversible Carbon-
Carbon Bond Formation Induced by Oxidation and Reduction at a Redox-Active Cobalt
Complex.” Inorg. Chem. 2013, 52, 5403–5417.
106.
Semproni, S. P.; Knobloch, D. J.; Milsmann, C.; Chirik, P. J. “Redox-Induced N2 Hapticity
Switching in Zirconocene Dinitrogen Complexes.” Angew. Chem. Int. Ed. 2013, 52, 5372–
5376.
105.
Semproni, S. P.; Chirik, P. J. “Dinitrogen Borylation with Group 4 Metallocene Complexes.” Eur.
J. Inorg. Chem. 2013, 22-23, 3907–3915.
104.
Hoyt, J. M.; Sylvester, K. T.; Semproni, S. P.; Chirik, P. J. “Synthesis and electronic structure of
bis(imino)pyridine iron metallocyclic intermediates in iron-catalyzed cyclization reactions.” J. Am.
Chem. Soc. 2013, 135, 4862-4877.
103.
Tondreau, A. M.; Stieber, S. C. E.; Milsmann, C.; Lobkovsky, E.; Weyhermüller, T.; Semproni, S.
P.; Chirik, P. J. “Oxidation and reduction of bis(imino)pyridine iron dinitrogen complexes:
Evidence for formation of a chelate trianion.” Inorg. Chem. 2013, 51, 635-646.
102.
Darmon, J. D.; Stieber, S. C. E.; Sylvester, K. T.; Fernández, I.; Lobkovsky, E.; Semproni, S. P.;
Bill, E.; Wieghardt, K.; DeBeer, S.; Chirik, P. J. “Oxidative addition of carbon-carbon bonds with a
redox-active bis(imino)pyridine iron complex.” J. Am. Chem. Soc. 2012, 134, 17125-17137.
101.
Atienza, C. C. H.; Tondreau, A. M.; Weller, K. J.; Lewis, K. M.; Cruse, R. W.; Nye, S. A.; Boyer, J.
L.; Delis, J. G. P.; Chirik, P. J. “High-selectivity bis(imino)pyridine iron catalysts for the
hydrosilylation of 1,2,4-trivinylcyclohexane.” ACS Catalysis 2012, 2, 2169-2172.
100.
Semproni, S. P.; Margulieux, G. W.; Chirik, P. J. “Di- and tetrametallic hafnocene oxamidides
prepared from CO-induced N2 bond cleavage and thermal rearrangement to hafnocene cyanide
derivatives.” Organometallics 2012, 31, 6278-6287.
99.
Yu, R. P.; Darmon, J. M.; Hoyt, J. M.; Margulieux, G. W.; Turner, Z. R.; Chirik, P. J. “High-activity
iron catalysts for the hydrogenation of hindered, unfunctionalized alkenes.” ACS Catalysis 2012,
2, 1760-1764.
98.
Tondreau, A. M.; Atienza, C. C. H.; Darmon, J. M.; Milsmann, C.; Hoyt, H. M.; Weller, K. J.; Nye,
S. A.; Lewis, K. M.; Boyer, J.; Delis, J. G. P.; Lobkovsky, E.; Chirik, P. J. “Synthesis, electronic
structure and alkene hydrosilylation activity of terpyridine and bis(imino)pyridine iron dialkyl
complexes.” Organometallics 2012, 31, 4886-4893.
97.
Semproni, S. P.; Milsmann, C.; Chirik, P. J. “Side-on dinitrogen complexes of titanocenes with
disubstituted cyclopentadienyl ligands: Synthesis, structure and spectroscopic characterization.”
Organometallics 2012, 31, 3672-3682.
96.
Semproni, S. P.; Milsmann, C.; Chirik, P. J. “Structure and reactivity of a hafnocene -nitrido
prepared from dinitrogen cleavage.” Angew. Chem. Int. Ed. 2012, 51, 5213-5216.
95.
Milsmann, C.; Turner, Z. R.; Semproni, S. P.; Chirik, P. J. “Azo N=N bond cleavage with a redoxactive vanadium compound involving metal-ligand cooperativity.” Angew. Chem. Int. Ed. 2012,
51, 5386-5390.
94.
Monfette, S.; Turner, Z. R.; Semproni, S. P.; Chirik, P. J. “Enantiopure, C1-symmetric
bis(imino)pyridine cobalt complexes for asymmetric alkene hydrogenation.” J. Am. Chem. Soc.
2012, 134, 4561-4564. Highlighted in Nature Chemistry, 2012, 4, 337.
93.
Darmon, J. D.; Turner, Z. R.; Lobkovsky, E.; Chirik, P. J. “Electronic effects in 4-substituted
bis(imino)pyridines and the corresponding reduced iron compounds.” Organometallics 2012,
31,2275-2285.
92.
Steiber, S. C. E.; Milsmann, C.; Hoyt, J. M.; Turner, Z. R.; Finkelstein, K. D.; Wieghardt, K.;
DeBeer, S.; Chirik, P. J. “Bis(imino)pyridine iron dinitrogen compounds revisited: Differences in
electronic structure between four- and five-coordinate derivatives.” Inorg. Chem. 2012, 51, 37703785.
91.
Tondreau, A. M.; Atienza, C. C. H.; Weller, K. J.; Nye, S. A.; Lewis, K. M.; Delis, J. G. P.; Chirik,
P. J. “Iron catalysts for selective anti-Markovnikov alkene hydrosilylation using tertiary silanes.”
Science 2012, 335, 567-570.
90.
Knobloch, D. J.; Semproni, S. P.; Lobkovsky, E.; Chirik, P. J. “Studies into the mechanism of COinduced N2 cleavage and C-C bond formation promoted by an ansa-hafnocene complex.” J. Am.
Chem. Soc. 2012, 134, 3377-3386.
89.
Bowman, A. C.; Milsmann, C.; Bill, E.; Turner, Z. R.; Lobkovsky, E.; DeBeer, S.; Wieghardt, K.;
Chirik, P. J. “Synthesis and electronic structure determination of N-alkyl-substituted
bis(imino)pyridine iron imides exhibiting spin cross behavior.” J. Am. Chem. Soc. 2011, 133,
17353-17369.
88.
Chirik, P. J. “Preface: Forum on redox-active ligands.” Inorg. Chem. 2011, 50, 9737-9740.
87.
Russell, S. K.; Bowman, A. C.; Lobkovsky, E.; Wieghardt, K.; Chirik, P. J. “Synthesis and
electronic structure of reduced bis(imino)pyridine manganese compounds.” Eur. J. Inorg. Chem.
2011, 535-545. (Special issue on ligand-centered radicals).
86.
Semproni, S. P.; Lobkovsky, E.; Chirik, P. J. “Dinitrogen silylation and cleavage with a hafnocene
complex.” J. Am. Chem. Soc. 2011, 133, 10406-10409.
85.
Tondreau, A. M.; Milsmann, C.; Lobkovsky, E.; Chirik, P. J. “Oxidation and reduction of
bis(imino)pyridine iron dicarbonyl complexes.” Inorg. Chem. 2011, 50, 9888-9895.
84.
Atienza, C. C. H.; Milsmann, C.; Lobkovsky, E.; Chirik, P. J. “Synthesis, electronic structure and
ethylene polymerization activity of bis(imino)pyridine cobalt alkyl cations.” Angew. Chem. Int. Ed.
2011, 50, 8143-8147 (Article Featured on Cover)
83.
Russell, S. K.; Lobkovsky, E.; Chirik, P. J. “An iron-catalyzed intermolecular [2 + 2]
cycloaddition.” J. Am. Chem. Soc. 2011, 133, 8858-8861.
82.
Pun, D.; Knobloch, D. J.; Lobkovsky, E.; Chirik, P. J. “Cyclisation of , -dienes promoted by
bis(indenyl)zirconium sandwich and ansa-titanocene dinitrogen complexes.” Dalton Trans. 2011,
7737-7747 (Special Issue on d0 Metallocenes).
81.
Russell, S. K.; Milsmann, C.; Lobkovsky, E.; Weyhermüller, T.; Chirik, P. J. “Synthesis, electronic
structure, and catalytic activity of reduced bis(aldimino)pyridine iron compounds: Experimental
evidence for ligand participation.” Inorg. Chem. 2011, 50, 3159.
Cornell University
80.
Atienza, C. C. H.; Bowman, A. C.; Lobkovsky, E.; Chirik, P. J. “Photolysis and thermolysis of
bis(imino)pyridine cobalt azides: C-H activation from putative cobalt nitrido complexes.” J. Am.
Chem. Soc. 2010, 132, 16343-16345.
79.
Knobloch, D. J.; Lobkovsky, E.; Chirik, P. J. “Functionalization of hafnium oxamidide complexes
prepared from CO-induced N2 cleavage.” J. Am. Chem. Soc. 2010, 132, 15340-15350.
78.
Tondreau, A. M.; Milsmann, C.; Patrick, A. D.; Hoyt, H. M.; Lobkovsky, E.; Wieghardt, K.; Chirik,
P. J. “Synthesis and electronic structure of cationic, neutral, and anionic bis(imino)pyridine iron
alkyl complexes: Evaluation of redox activity in single-component ethylene polymerization
catalysts.” J. Am. Chem. Soc. 2010, 132, 15046-15059.
77.
Knobloch, D. J.; Lobkovsky, E.; Chirik, P. J. “Carbon monoxide-induced dinitrogen cleavage with
group 4 metallocenes: Reaction scope and coupling to N-H bond formation and C-O
deoxygenation.” J. Am. Chem. Soc. 2010, 132, 10553-10564.
76.
Bowman, A. C.; Milsmann, C.; Bill, E.; Lobkovsky, E.; Weyhermüller, T.; Wieghardt, K.; Chirik, P.
J. “Reduced N-alkyl substituted bis(imino)pyridine cobalt complexes: Molecular and electronic
structure for compounds varying by three oxidation states.” Inorg. Chem. 2010, 49, 6110-6123.
75.
Pun, D.; Lobkovsky, E.; Keresztes, I.; Chirik, P. J. “Cyclopentanone insertion into 9-indenyl rings
of zirconium sandwich complexes.” Organometallics 2010, 29, 1789-1796.
74.
Chirik, P. J. “Group 4 transition metal sandwich complexes: Still fresh after almost 60 years.”
Organometallics 2010, 29, 1500-1517.
73.
Chirik, P. J.; Wieghardt, K. W. “Radical ligands confer nobility of base-metal catalysts.” Science
2010, 327, 794-795.
72.
Russell, S. K.; Darmon, J. D.; Lobkovsky, E.; Chirik, P. J. “Synthesis of aryl-substituted
bis(imino)pyridine iron dinitrogen complexes.” Inorg. Chem. 2010, 49, 2782-2892.
71.
Bowman, A. C.; Milsmann, C.; Atienza, C. C. H. A.; Lobkovsky, E.; Wieghardt, K.; Chirik, P. J.
“Synthesis, molecular and electronic structures of reduced bis(imino)pyridine cobalt dinitrogen
complexes: Ligand versus metal reduction.” J. Am. Chem. Soc. 2010, 131, 1676-1684.
70.
Knobloch, D. J.; Lobkovsky, E.; Chirik, P. J. “Dinitrogen cleavage and functionalization by carbon
monoxide promoted by a hafnium complex.” Nature Chemistry 2010, 2, 30-35.
69.
Knobloch, D. J.; Benito-Garagorri, D.; Bernskoetter, W. H.; Keresztes, I.; Lobkovsky, E.; Toomey,
H.; Chirik, P. J. “Addition of methyl triflate to a hafnocene dinitrogen complex: Stepwise N 2
methylation and conversion to a hafnocene hydrazonato compound.” J. Am. Chem. Soc. 2009,
131, 14903-14912.
68.
Chirik, P. J. “Nitrogen fixation – one electron at a time.” Nature Chem. 2009, 1, 520-521.
67.
Benito-Garagorri, D.; Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “1,4-Addition of alkyl
halides to a side-on bound hafnocene dinitrogen complex.” Organometallics 2009, 28, 48074813.
66.
Hanna, T. E; Lobkovsky, E.; Chirik, P. J. “Dinitrogen complexes of bis(cyclopentadienyl) titanium
derivatives: Structure diversity arising from substituent manipulation.” Organometallics 2009, 28,
4079-4088.
65.
Tondreau, A. M.; Darmon, J. M.; Wile, B. M.; Floyd, S. K.; Lobkovsky, E.; Chirik, P. J.
“Enantiopure pyridine bis(oxazoline) “Pybox” and bis(oxazoline) “Box” iron dialkyl complexes:
Comparison to bis(imino)pyridine compounds and application to catalytic hydrosilylation of
ketones.” Organometallics 2009, 28, 3928-3940.
64.
Sylvester, K. T.; Chirik, P. J. “Iron-catalyzed, hydrogen-mediated reductive cyclization of 1,6enynes and diynes: Evidence for bis(imino)pyridine ligand participation.” J. Am. Chem. Soc. 2009,
131, 8772-8774.
63.
Bowman, A. C.; Bart, S. C.; Heinemann, F. W.; Meyer, K.; Chirik, P. J. “Synthesis of
bis(imino)pyridine iron amide and ammonia compounds from an N-H transfer agent.” Inorg.
Chem. 2009, 48, 5587-5589.
62.
Pun, D.; Leopold, S. M.; Bradley, C. A.; Lobkovsky, E.; Chirik, P. J. “Bis(indenyl)hafnium
chemistry: Ligand-induced haptotropic rearrangement and fundamental reactivity studies at a
reduced hafnium center.” Organometallics 2009, 28, 2471-2484.
61.
Chirik, P. J. “Iron Catalysis in Organic Chemistry: Reactions and Applications” (Book Review) J.
Am. Chem. Soc. 2009, 131, 3788-3789.
60.
Russell, S. K.; Lobkovsky, E.; Chirik, P. J. “N-N bond cleavage in diazoalkanes by a
bis(imino)pyridine iron complex.” J. Am. Chem. Soc. 2009, 131, 36-37.
59.
Wile, B. M.; Trovitch, R. J.; Bart, S. C.; Tondreau, A. M.; Lobkovsky, E.; Milsmann, C.; Bill, E.;
Wieghardt, K.; Chirik, P. J. “Reduction chemistry of aryl- and alkyl-substituted bis(imino)pyridine
iron dihalide compounds: Molecular and electronic structures of [(PDI)2Fe] derivatives.” Inorg.
Chem. 2009, 48, 4190-4200.
58.
Trovitch, R.; Lobkovsky, E.; Bouwkamp, M.; Chirik, P. J. “Carbon-oxygen bond cleavage in
bis(imino)pyridine compounds: Catalyst deactivation pathways and observation of acyl C-O bond
cleavage in esters.” Organometallics 2008, 27, 6264-6278.
57.
Pun, D.; Bradley, C. A.; Lobkovsky, E.; Keresztes, I.; Chirik, P. J. “N 2 hydrogenation from
activated end-on bis(indenyl)zirconium dinitrogen complexes.” J. Am. Chem. Soc. 2008, 130,
14046-14047.
56.
Trovitch, R. J.; Lobkovsky, E.; Chirik, P. J. “Bis(imino)pyridine iron alkyls containing -hydrogens:
Synthesis, evaluation of kinetic stability, and decomposition pathways involving chelate
participation.” J. Am. Chem. Soc. 2008, 130, 11631-11640.
55.
Tondreau, A. M.; Lobkovsky, E.; Chirik, P. J. “Bis(imino)pyridine iron complexes for aldehyde and
ketone hydrosilylation.” Org. Lett. 2008, 10, 2789-2792.
54.
Pun, D.; Lobkovsky, E.; Chirik, P. J. “Indenyl dinitrogen chemistry: N2 coordination to an isolated
zirconium sandwich and synthesis of side-on, end-on dinitrogen compounds.” J. Am. Chem. Soc.
2008, 130, 6047-6054.
53.
Knobloch, D. J.; Toomey, H. E.; Chirik, P. J. “Carboxylation of an ansa-zirconocene dinitrogen
complex: Regiospecific hydrazine synthesis from N 2 and CO2.” J. Am. Chem. Soc. 2008, 130,
4248-4249.
52.
Trovitch, R. J.; Lobkovsky, E.; Bill, E.; Chirik, P. J. “Functional group tolerance and substrate
scope in bis(imino)pyridine iron catalyzed alkene hydrogenation.” Organometallics 2008, 27,
1470-1478.
51.
Toomey, H. E.; Pun, D.; Veiros, L. F.; Chirik, P. J. “1,2-Addition versus -Bond metathesis
reactions in transient bis(cyclopentadienyl)zirconium imidos: Evidence for a d0 dihydrogen
complex.” Organometallics 2008, 27, 872-879.
50.
Fernández, I.; Trovitch, R. J.; Lobkovsky, E.; Chirik, P. J. “Synthesis of bis(imino)pyridine iron diand monoalkyl complexes: Stability differences between FeCH2SiMe3 and FeCH2CMe3
derivatives.” Organometallics 2008, 27, 109-118.
49.
Bart, S. C.; Lobkovsky, E.; Bill, E.; Weighardt, K.; Chirik, P. J. “Neutral-ligand complexes of
bis(imino)pyridine iron: Synthesis, structure and spectroscopy.” Inorg. Chem. 2007, 46, 70557063.
48.
Pun, D.; Lobkovsky, E.; Chirik, P. J. “Amineborane dehydrogenation promoted by isolable
zirconium sandwich, titanium sandwich and N2 complexes.” Chem. Commun. 2007, 3297-3299.
47.
Bart, S. C.; Bowman, A. C.; Lobkovsky, E.; Chirik, P. J. “Iron diazoalkane chemistry: N-N bond
hydrogenation and intramolecular C-H activation.” J. Am. Chem. Soc. 2007, 129, 7212-7213.
46.
Bradley, C. A.; Veiros, L. F.; Chirik, P. J. “C-O and C-S bond cleavage in chelating diethers and
thioethers promoted by 9, 5-bis(indenyl)zirconium sandwich complexes: A combined
experimental and computational study.” Organometallics 2007, 26, 3191-3200.
45.
Hanna, T. E.; Bernskoetter, W. H.; Bouwkamp, M. W.; Lobkovsky, E.; Chirik, P. J.
“Bis(cyclopentadienyl)titanium dinitrogen chemistry: Synthesis and characterization of a side-on
bound haptomer.” Organometallics 2007, 26, 2431-2438.
44.
Hanna, T. E.; Lobkovsky, E.; Chirik, P. J. “Dihydrogen and silane addition to base-free,
monomeric bis(cyclopentadienyl) titanium oxides.” Inorg. Chem. 2007, 46, 2359-2361.
43.
Hanna, T. E.; Lobkovsky, E.; Chirik, P. J. “N-H group transfer and oxidative addition chemistry
promoted by isolable bis(cyclopentadienyl)titanium sandwich complexes.” Eur. J. Inorg. Chem.
2007, 2677-2685.
42.
Hanna, T. E.; Keresztes, I.; Lobkovsky, E.; Chirik, P. J. “Diazene dehydrogenation follows H 2
addition to coordinated dinitrogen in an ansa-zirconocene complex.” Inorg. Chem. 2007, 46, 1675
- 1683.
41.
Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “Nitrogen-carbon bond formation from N2 and
CO2 promoted by a hafnocene dinitrogen complex yields a substituted hydrazine.” Angew. Chem.
Int. Ed. 2007, 2858-2861. (Article Featured on Cover)
40.
Chirik, P. J. “Dinitrogen functionalization with bis(cyclopentadienyl) complexes of zirconium and
hafnium.” Dalton Trans. 2007, 16-26. (Invited Feature Article, Featured on Cover).
39.
Bradley, C. A.; Veiros, L. F.; Pun, D.; Lobkovsky, E.; Keresztes, I. Chirik, P. J. “Carbon-oxygen
bond cleavage with 9, 5-bis(indenyl)zirconium sandwich complexes.” J. Am. Chem. Soc. 2006,
128, 16600-16612.
38.
Chirik, P. J. “An Fe(VI) nitride: There is plenty of room at the top!” Angew. Chem. Int. Ed. 2006,
45, 6956-6958.
37.
Bart, S. C.; Chlopek, K.; Bill, E.; Bouwkamp, M. W.; Lobkovsky, E.; Neese, F.; Wieghardt, K.;
Chirik, P. J. “Electronic structure of bis(imino)pyridine iron dichloride, monochloride and neutral
ligand complexes: A combined, structural, spectroscopic and computational study.” J. Am. Chem.
Soc. 2006, 128, 13901-13912.
36.
Bouwkamp, M. W.; Bowman, A. C. Lokbovsky, E.; Chirik, P. J. “Iron-catalyzed [2 + 2]
cycloaddition of , -dienes: The importance of redox-active supporting ligands.” J. Am. Chem.
Soc. 2006, 128, 13340-13341.
35.
Trovitch, R. J.; Lobkovsky, E.; Chirik, P. J. “Bis(diisopropylphosphino)pyridine iron dicarbonyl,
dihydride, and silyl hydride complexes.” Inorg. Chem. 2006, 45, 7252-7260.
34.
Archer, A. M.; Bouwkamp, M. W.; Cortez, M. –P.; Lobkovsky, E.; Chirik, P. J. “Arene coordination
in bis(imino)pyridine iron complexes: Identification of catalyst deactivation pathways in ironcatalyzed hydrogenation and hydrosilation.” Organometallics 2006, 25, 4269-4278.
33.
Bernskoetter, W. H.; Olmos, A. V.; Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “N-C bond formation
promoted by a hafnocene dinitrogen complex: Comparison of zirconium and hafnium congeners.”
J. Am. Chem. Soc. 2006, 128, 10696-10697.
32.
Bradley, C. A.; Lobkovsky, E.; Keresztes, I.; Chirik, P. J. “Synthesis of bis(indenyl)zirconium
dihydrides and subsequent rearrangement to 5, 3-4,5-dihydroindendiyl ligands: Evidence for
intermediates during the hydrogenation to tetrahydroindenyl derivatives” J. Am. Chem. Soc. 2006,
128, 6454-6467.
31.
Hanna, T. E.; Lobkovsky, E.; Chirik, P. J. “Mono(dinitrogen) and carbon monoxide adducts of
bis(cyclopentadienyl) titanium sandwiches” J. Am. Chem. Soc. 2006, 128, 6018-6019.
30.
Bart, S. C.; Lobkovsky, E.; Bill, E.; Chirik, P. J. “Synthesis and hydrogenation of bis(imino)pyridine
iron imides” J. Am. Chem. Soc. 2006, 128, 5302-5303.
29.
Bradley, C. A.; Keresztes, I.; Lobkovsky, E.; Chirik, P. J. “The ‘Indenyl Effect’ in zirconocene
dihydride chemistry.” Organometallics 2006, 25, 2080-2089.
28.
Bernskoetter, W. H.; Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Carbon-hydrogen bond activation
with a cyclometalated zirconocene hydride: Mechanistic differences between arene and alkane
reductive elimination.” Organometallics 2006, 25, 1092-1100.
27.
Bernskoetter, W. H.; Olmos, A. V.; Lobkovsky, E.; Chirik, P. J. “N2 hydrogenation promoted by a
side-on bound hafnocene dinitrogen complex.” Organometallics 2006, 25, 1021-1027.
26.
Bouwkamp, M. W.; Lobkovsky, E.; Chirik, P. J. “Bis(imino)pyridine ligand deprotonation promoted
by a transient iron amide” Inorg. Chem. 2006, 45, 2-4. (Article featured on the cover).
25.
Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “Ancillary ligand effects on C-H bond activation
reactions promoted by -diiminate iridium complexes.” Organometallics 2005, 24, 6250-6259.
24.
Bart, S. C.; Hawrelak, E. J.; Lobkovsky, E.; Chirik, P. J. “Low-valent -diimine complexes for
catalytic olefin hydrogenation.” Organometallics 2005, 24, 5518-5527.
23.
Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “Kinetics and mechanism of N2 hydrogenation in
bis(cyclopentadienyl)zirconium complexes and dinitrogen functionalization by 1,2-addition of a
saturated C-H bond.” J. Am. Chem. Soc. 2005, 127, 14051-14061.
22.
Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “C-H bond activation reactions with ligand
adducts of a -diiminate iridium dihydride.” Organometallics 2005, 24, 4367-4373.
21.
Bradley, C. A.; Lobkovsky, E.; Keresztes, I.; Chirik, P. J. “Ligand-induced haptotropic
rearrangements in bis(indenyl)zirconium sandwich complexes.” J. Am. Chem. Soc. 2005, 127,
10291-10304.
20.
Bouwkamp, M. W.; Lobkovsky, E.; Chirik, P. J. “Bis(imino)pyridine iron(II) alkyl cations for olefin
polymerization.” J. Am. Chem. Soc. 2005, 127, 9660-9661.
19.
Bouwkamp, M. W.; Bart, S. C.; Hawrelak, E. J.; Trovitch, R. J.; Lobkovsky, E.; Chirik, P. J.
“Square planar bis(imino)pyridine iron halide and alkyl complexes.” Chem. Commun. 2005, 34063408.
18.
Bernskoetter, W. H.; Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Dinitrogen functionalization with
terminal alkynes, amines and hydrazines promoted by [(5-C5Me4H)2Zr]2(2, 2, 2-N2):
Observation of side-on and end-on diazenido complexes in the reduction of N2 to hydrazine.” J.
Am. Chem. Soc. 2005, 127, 7901-7911.
17.
Hawrelak, E. J.; Bernskoetter, W. H.; Lobkovsky, E.; Yee, G.; Bill, E.; Chirik, P. J. “Square planar
versus tetrahedral geometry in four coordinate iron(II) complexes.” Inorg. Chem. 2005, 44, 31033111.
16.
Pool, J. A.; Chirik, P. J. “The importance of cyclopentadienyl substituent effects in group 4
metallocene dinitrogen chemistry” Can. J. Chem. 2005, 83, 286-296 (Invited).
15.
Bradley, C. A.; Keresztes, I.; Lobkovsky, E.; Young, V. G.; Chirik, P. J. “Zirconium sandwich
complexes with 9 indenyl ligands: Well-defined precursors for zirconocene-mediated coupling
reactions.” J. Am. Chem. Soc. 2004, 126, 16937-16950.
14.
Hanna, T. E.; Lobkovsky, E.; Chirik, P. J. “Dinitrogen activation by titanium sandwich complexes.”
J. Am. Chem. Soc. 2004, 126, 14688-14689.
13.
Pool, J. A.; Bernskoetter, W. H.; Chirik, P. J. “On the origin of dinitrogen hydrogenation promoted
by [(5-C5Me4H)2Zr]2(2, 2, 2-N2).” J. Am. Chem. Soc. 2004, 126, 14326-14327.
12.
Bradley, C. A.; Flores-Torres, S.; Lobkovsky, E.; Abruna, H. D.; Chirik, P. J. “Synthesis and
characterization of zirconium and iron complexes containing substituted indenyl ligands:
Evaluation of steric and electronic parameters.” Organometallics 2004, 23, 5332-5346.
11.
Bart, S. C.; Lobkovsky, E.; Chirik, P. J. “Preparation and molecular and electronic structures of
iron(0) dinitrogen and silane complexes and their application to catalytic hydrogenation and
hydrosilation.” J. Am. Chem. Soc. 2004, 126, 13794-13807.
10.
Bernskoetter, W. H.; Lobkovsky, E.; Chirik, P. J. “Synthesis of a -diiminate iridium tetrahydride
for arene C-H bond activation.” Chem. Comm. 2004, 763-764.
9.
Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Hydrogenation and cleavage of dinitrogen to ammonia
with a well-defined zirconium complex.” Nature 2004, 427, 527-530.
8.
Hanna, T. E.; Keresztes, I.; Lobkovsky, E.; Bernskoetter, W. H., Chirik, P. J. “Synthesis of a basefree titanium imido and a transient alkylidene from a titanocene dinitrogen complex. Studies on
Ti=NR hydrogenation, nitrene group transfer and comparison of 1,2-addition rates.
Organometallics 2004, 23, 3448-3458.
7.
Bart, S. C.; Hawrelak, E. J.; Schmisseur, A. K.; Lobkovsky, E.; Chirik, P. J. “Synthesis, reactivity
and solid state structures of four-coordinate iron(II) and manganese(II) alkyl complexes.”
Organometallics 2004, 24, 237-246.
6.
Bradley, C. A.; Lobkovsky, E.; Chirik, P. J. “Synthesis of a zirconium sandwich complex and
crystallographic characterization of its adduct with tetrahydrofuran.” J. Am. Chem. Soc. 2003,
125, 8110-8111.
5.
Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Alkyl substituent effects on reductive elimination reactions
in zirconocene alkyl hydride complexes. Manipulation of the alkyl steric environment allows the
synthesis of a zirconocene dinitrogen complex.” Organometallics 2003, 22, 2797-2805.
4.
Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Cyclopentadienyl substituent effects on reductive
elimination reactions in group 4 metallocenes: kinetics, mechanism and application to dinitrogen
activation.” J. Am. Chem. Soc. 2003, 125, 2241-2251.
3.
Bart, S. C.; Chirik, P. J. “Selective, catalytic carbon-carbon bond activation and functionalization
promoted by late transition metal catalysts.” J. Am. Chem. Soc. 2003, 125, 886-887.
2.
Pool, J. A.; Lobkovsky, E.; Chirik, P. J. “Functionalization of elemental phosphorus with [(5C5Me5)(5-C5H5tBu)ZrH2]2.” Angew. Chem. Int. Ed. 2002, 41, 3463-3466.
1.
Pool, J. A.; Bradley, C. A.; Chirik, P. J. “A convenient method for the preparation of zirconocene
hydrido chloride, isobutyl hydride and dihydride complexes with tert-butyl lithium.”
Organometallics 2002, 21, 1271-1277.
Publications Prior to Cornell and Princeton
7.
Chirik, P. J.; Bercaw , J. E. “Ancillary ligand and substituent effects on olefin insertion and bhydrogen elimination with group 4 metallocenes. Kinetics, mechanism and thermodynamics for
zirconocene and hafnocene alkyl hydride derivatives.” Organometallics 2005, 24, 5407-5423.
6.
Chirik, P. J.; Dalleska, N. F.; Henling, L. M.; Bercaw, J. E. “Experimental evidence for g-agostic
assistance in -methyl elimination, the microscopic reverse of a-agostic assistance in the chain
propagation step of olefin polymerization.” Organometallics 2005, 24, 2789-2794.
5.
Chirik, P. J.; Zubris, D. L.; Ackerman, L. J.; Henling, L. M.; Day, M. W.; Bercaw, J. E. “Preparation
of ansa-niobocene and ansa-tantalocene olefin hydride complexes as transition state analogues
in metallocene-catalyzed olefin polymerization.” Organometallics 2003, 22, 172-187.
4.
Chirik, P. J.; Henling, L. M.; Bercaw, J. E. “Synthesis of Singly and Doubly Bridged AnsaZirconocene Hydrides. Formation of an Unusual Mixed Valence Trimeric Hydride by Reaction of
H2 with {(Me2Si)2(5-C5H3)2}Zr(CH3)2 and Generation of a Dinitrogen Complex by Reaction of N2
with a Zirconocene Dihydride.” Organometallics 2001, 20, 534-544
3.
Chirik, P. J.; Day, M. W.; Labinger, J. A.; Bercaw, J. E. “Alkyl rearrangement processes in group
IV metallocene chemistry. Identification of internal alkyl complexes during hydrozirconation.” J.
Am. Chem. Soc. 1999, 121, 10308-10317.
2.
Chirik, P. J.; Day, M. W.; Bercaw, J. E. “Preparation and characterization of monomeric and
dimeric group IV metallocene dihydrides having alkyl-substituted cyclopentadienyl ligands.”
Organometallics 1999, 18, 1873-1881.
1.
Chirik, P. J.; Bercaw, J. E. “Group 3 Metallocenes” in The Metallocenes; Togni, A.; Halterman, R.
L.; Eds. Wiley-VCH Publishers, New York, 1998 (Invited).