Download Correct description: 3.408 (t, J = 6.9 Hz, 2H) Incorrect description

Correct description:!
!
3.408 (t, J = 6.9 Hz,
2H) !
Incorrect description:!
!
3.434, 3.408, 3.383!
(t, J = 6.9 Hz, 2H) !
PROPER CITATIONS!
!
REFERENCES!
Authors!
Title of the article!
Name of the journal!
Year!
Volume!
Page(s)!
!
!
CITATIONS WITHIN THE REPORT!
Citations must appear in numerical order!
1st citation must be given #1 or (a)!
2nd will have #2 or (b), etc!
MS continues…!
Chlorides
M
M
M
M+2
M+2
M+4
M+2
M+4
Cl
M+6
Cl3
Cl2
Bromides
M+2
M M+2
M+2 M+4
M
M+4
M+6
M
Br
Br2
Br3
Alkanes
R
CH3
R
R
CH3
R
R
R
CH3
Ethers
R1
OR
R1
R
O
OR
R
Alcohols
OH
OH
R4
R1
R3
R2
R4
R1
R4
R1
R3
R2
R3
H2O
R2
Amines
R1
NHR
R1
R
N
H
NHR
R
Odd MW - usually indicates the presence of
a nitrogen (1,3,5, etc) !!!
N
MW79
N
MW101
NH2
HO
MW61
NH2
H2N
MW60
N
N
MW122
Carbonyl compounds
O
R
O
R
R
O
R
R
R
Carbonyl compounds
O
R
O
R
R
O
R
R
R
McLafferty rearrangement
H
R
H
R1
R
O
R
OH
R1
R
R1
O
R
R
R1 = H, alkyl, aryl, OH, NH2, etc
O
H
MW 86
71
-Me
86
O
H
58
MW 86
-CO
71
86
44
43
O
H
58
MW 86
71
86 - 44 = 42???
86
McLafferty Rearrangement
F. W. McLafferty Mass Spectrometric Analysis. Molecular
Rearrangements, Anal. Chem. 1959; 31 82-87.
γ-hydrogen
O
H
R3
R1 R
2
H
OH
O
H
H
H
H
H
m/z 44
H
O
H
O
H
H
OH
H
m/z 44
m/z 42
Questions ??????
PRACTICE SETS!
UNKNOWN
1H
NMR (CDCl3+DMSO-d6)!
UNKNOWN
13C
NMR (CDCl3+DMSO-d6)!
UNKNOWN
UNKNOWN