Excercises 6-10
... reaction (and explain why)? b. According to which mechanism will the substitution reaction proceed when (R)-‐2-‐ iodo-‐3,3-‐dimethylpentane is used as the starting material? What is the product of the reaction? 4 ...
... reaction (and explain why)? b. According to which mechanism will the substitution reaction proceed when (R)-‐2-‐ iodo-‐3,3-‐dimethylpentane is used as the starting material? What is the product of the reaction? 4 ...
Chapter 13 - WebAssign
... 36. Identify each of the following pairs of molecules as constitutional 28. What is the difference between a polyamide and a polypeptide? ...
... 36. Identify each of the following pairs of molecules as constitutional 28. What is the difference between a polyamide and a polypeptide? ...
Chapter Nine: Alcohols, Ethers and Epoxides
... Predict the relative boiling points of alcohols within a functional group class and compared to other functional groups. Use curved-arrow formalism to depict the step-wise mechanism of reactions involving alcohols whenever they are well understood. Predict the stereochemistry and optical acti ...
... Predict the relative boiling points of alcohols within a functional group class and compared to other functional groups. Use curved-arrow formalism to depict the step-wise mechanism of reactions involving alcohols whenever they are well understood. Predict the stereochemistry and optical acti ...
DMC (double metal cyanide) catalyst DMC catalyst is used
... polyols made from the DMC catalyst have low unsaturations, narrow molecular weight distributions, can have high molecular weight, and are useful in making a variety of polyurethane products. Moreover this catalyst can be used with less amount (ppm) and reaction time of polymerization is reduced larg ...
... polyols made from the DMC catalyst have low unsaturations, narrow molecular weight distributions, can have high molecular weight, and are useful in making a variety of polyurethane products. Moreover this catalyst can be used with less amount (ppm) and reaction time of polymerization is reduced larg ...
Oxidation of Cyclohexanol to Cyclohexanone
... Cyclohexanol is an irritant. Avoid contact with skin, eyes, and clothing. Glacial acetic acid is a dehydrating agent, an irritant, and causes burns. Handle it with care and dispense it in a fume hood and avoid contact with skin, eyes, and clothing. Sodium hypochlorite solution emits chlorine gas, wh ...
... Cyclohexanol is an irritant. Avoid contact with skin, eyes, and clothing. Glacial acetic acid is a dehydrating agent, an irritant, and causes burns. Handle it with care and dispense it in a fume hood and avoid contact with skin, eyes, and clothing. Sodium hypochlorite solution emits chlorine gas, wh ...
Answers
... of hydroxide is needed. Draw a full mechanism to explain. (Hint: Before the elimination takes place, another reaction type we have learned takes place more quickly.) ...
... of hydroxide is needed. Draw a full mechanism to explain. (Hint: Before the elimination takes place, another reaction type we have learned takes place more quickly.) ...
Preparation and Reaction of Carboxylic Acids - IDC
... anion is a nucleophilic precursor of the carboxyl group. The hydrolysis may be either acid or base-catalyzed, but the latter give a carboxylate salt as the initial product. In the second procedure the electrophilic halide is first transformed into a strongly nucleophilic metal derivative, and this a ...
... anion is a nucleophilic precursor of the carboxyl group. The hydrolysis may be either acid or base-catalyzed, but the latter give a carboxylate salt as the initial product. In the second procedure the electrophilic halide is first transformed into a strongly nucleophilic metal derivative, and this a ...
Organometallic Chemistry
... prepared at low temperature from (Z)- or (E)- crotylpotassium and B-methoxydiisopinocampheyl borane, respectively, after treatment of the resultant ate-complexes with BF3•OEt2. • The B-methoxydiisopinocampheylboranes are prepared by reacting (–)-diisopinocampheylborane, derived from (+)-αpinene, or ...
... prepared at low temperature from (Z)- or (E)- crotylpotassium and B-methoxydiisopinocampheyl borane, respectively, after treatment of the resultant ate-complexes with BF3•OEt2. • The B-methoxydiisopinocampheylboranes are prepared by reacting (–)-diisopinocampheylborane, derived from (+)-αpinene, or ...
IOSR Journal of Applied Chemistry (IOSR-JAC) ISSN: 2278-5736.
... accompanying functional group must be protected [1]. Hydroxyl group of primary secondary, tertiary, allylic or alicyclic alcohol may be protected by conversion into an ester [2], a silyl ether [3], an ester [4] or acetals and ketals [5]. The most important method for the protection 1.2 diols or 1,3 ...
... accompanying functional group must be protected [1]. Hydroxyl group of primary secondary, tertiary, allylic or alicyclic alcohol may be protected by conversion into an ester [2], a silyl ether [3], an ester [4] or acetals and ketals [5]. The most important method for the protection 1.2 diols or 1,3 ...
Chem 231 Exam #3 Study Guide
... choice and short answer questions. Questions will be similar to the suggested homework problems from the book and in-class activities. In General: ...
... choice and short answer questions. Questions will be similar to the suggested homework problems from the book and in-class activities. In General: ...
HL ISSN: 2231 – 3087(print) / 2230 – 9632 (Online)
... NMR (300 MHz) (CDCl3; δ ppm): 7.887 – 7.828 (t, 2H); 7.295 (s, 2H), 7.132 (s, 1H, Furan-H); 7.085 – 7.056 (t, 2H); 4.057 (s, 2H, N-CH2); 3.990 (s, 3H, OCH3); 3.820 (s, 4H, OCH3, N-CH); 3.345 (bs, NH); 1.905 (m, 2H); 1.700 (m, 4H); 1.505 (m, 2H) Mass Spectra (m/z): 350, 351 (M+1), 352. RESULTS AND DI ...
... NMR (300 MHz) (CDCl3; δ ppm): 7.887 – 7.828 (t, 2H); 7.295 (s, 2H), 7.132 (s, 1H, Furan-H); 7.085 – 7.056 (t, 2H); 4.057 (s, 2H, N-CH2); 3.990 (s, 3H, OCH3); 3.820 (s, 4H, OCH3, N-CH); 3.345 (bs, NH); 1.905 (m, 2H); 1.700 (m, 4H); 1.505 (m, 2H) Mass Spectra (m/z): 350, 351 (M+1), 352. RESULTS AND DI ...
MULTISTEP SYNTHESIS PROTECTING GROUPS
... 7. PROTECTING GROUP STRATEGY - Acetanilide is used as the starting material in these reactions, but at the end the amide group gets hydrolyzed into an amine group. Why not start the reaction sequence with aniline (below) rather than acetanilide, and save the last step? The answer is that the amino ...
... 7. PROTECTING GROUP STRATEGY - Acetanilide is used as the starting material in these reactions, but at the end the amide group gets hydrolyzed into an amine group. Why not start the reaction sequence with aniline (below) rather than acetanilide, and save the last step? The answer is that the amino ...
Chap Thirteen: Alcohols
... inversion of configuration incomplete iii. SN2 reaction With phosphorus trihalides PBr3 or PCl3 or PCl5 or P° and I2 to form alkyl halides o Mechanism/ no rearrangement/ inversion of configuration e. Alkyl tosylates (sulfonate esters) by reaction of ROH with sulfonyl chlorides i. Mechanism/ retentio ...
... inversion of configuration incomplete iii. SN2 reaction With phosphorus trihalides PBr3 or PCl3 or PCl5 or P° and I2 to form alkyl halides o Mechanism/ no rearrangement/ inversion of configuration e. Alkyl tosylates (sulfonate esters) by reaction of ROH with sulfonyl chlorides i. Mechanism/ retentio ...
Outline_CH13_Klein
... inversion of configuration incomplete iii. SN2 reaction With phosphorus trihalides PBr3 or PCl3 or PCl5 or P° and I2 to form alkyl halides o Mechanism/ no rearrangement/ inversion of configuration e. Alkyl tosylates (sulfonate esters) by reaction of ROH with sulfonyl chlorides i. Mechanism/ retentio ...
... inversion of configuration incomplete iii. SN2 reaction With phosphorus trihalides PBr3 or PCl3 or PCl5 or P° and I2 to form alkyl halides o Mechanism/ no rearrangement/ inversion of configuration e. Alkyl tosylates (sulfonate esters) by reaction of ROH with sulfonyl chlorides i. Mechanism/ retentio ...
The Grignard Reagent
... – Be careful not to overheat the reaction. Remember ether boils at 35°C. Do not confuse the reaction starting with the ether boiling. You will see a cloudiness and change in color when the reaction has started. – Use your time wisely. While one partner monitors reaction 1 the other should prepare th ...
... – Be careful not to overheat the reaction. Remember ether boils at 35°C. Do not confuse the reaction starting with the ether boiling. You will see a cloudiness and change in color when the reaction has started. – Use your time wisely. While one partner monitors reaction 1 the other should prepare th ...
Practice Exam #2
... MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: ...
... MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: ...
Chemistry Crunch #12.2: Organic Reactions KEY Why? Learning
... a) There will always be 2 reactant(s) and 1 product(s). b) The hydrocarbon reactant will always have a double or triple bond, or in other words, the hydrocarbon will be unsaturated. c) We learned how to classify many non-organic chemical reactions. Which one of these will an organic addition reactio ...
... a) There will always be 2 reactant(s) and 1 product(s). b) The hydrocarbon reactant will always have a double or triple bond, or in other words, the hydrocarbon will be unsaturated. c) We learned how to classify many non-organic chemical reactions. Which one of these will an organic addition reactio ...
Chapter 7
... • The slow step, RDS, is the second step, the formation of the carbocation • This explains the order of reactivity with the tertiary alcohol reacting easiest, due to the tertiary carbocation being the most stable. ...
... • The slow step, RDS, is the second step, the formation of the carbocation • This explains the order of reactivity with the tertiary alcohol reacting easiest, due to the tertiary carbocation being the most stable. ...
+ H 2 O(g)
... First, the oxidation number of each atom have to be calculated and check if any of them changed. None of the oxidation numbers changes. CaO is a basic oxide as well as NH4+ is the protonated ammonia, then it can deliver H+ as an acid, then this reaction might be an acid base reaction. It occurs in h ...
... First, the oxidation number of each atom have to be calculated and check if any of them changed. None of the oxidation numbers changes. CaO is a basic oxide as well as NH4+ is the protonated ammonia, then it can deliver H+ as an acid, then this reaction might be an acid base reaction. It occurs in h ...
Improvements & new technologies
... Base catalyzed reaction: •It is able to catalyze reactions at low temperature and atmospheric pressure. •High conversion can be achieved in minimal time •Economical ...
... Base catalyzed reaction: •It is able to catalyze reactions at low temperature and atmospheric pressure. •High conversion can be achieved in minimal time •Economical ...
Lecture 11a
... • Water has to be excluded from the reaction right from the start because it is one of the products • Very dry reagents (i.e., benzoic acid should be dried under the heating lamp) • Dry glassware • Keeping the reagent bottles closed when not in use because absolute methanol and concentrated sulfuric ...
... • Water has to be excluded from the reaction right from the start because it is one of the products • Very dry reagents (i.e., benzoic acid should be dried under the heating lamp) • Dry glassware • Keeping the reagent bottles closed when not in use because absolute methanol and concentrated sulfuric ...
9. E1: Alkenes from alcohols - Web Pages
... Measure and record the volume of about 10 mL of cyclohexanol using a graduated cylinder. Transfer the cyclohexanol sample quickly to a 25 mL roundbottomed flask to prevent solidification in your graduated cylinder. Add a boiling chip and 1.0 mL of concentrated sulfuric acid to the flask. Swirl the s ...
... Measure and record the volume of about 10 mL of cyclohexanol using a graduated cylinder. Transfer the cyclohexanol sample quickly to a 25 mL roundbottomed flask to prevent solidification in your graduated cylinder. Add a boiling chip and 1.0 mL of concentrated sulfuric acid to the flask. Swirl the s ...
NCEA Level 2 Chemistry (91165) 2012 Assessment Schedule
... the others are secondary or tertiary alcohols and can’t be oxidised to a carboxylic acid. Either of the two reagents could be used. Br2 will react with both substances, but the reaction with hexane is slow and requires UV light. Permanganate will only react with pent1-ene. Br2 reacts with pent-1-ene ...
... the others are secondary or tertiary alcohols and can’t be oxidised to a carboxylic acid. Either of the two reagents could be used. Br2 will react with both substances, but the reaction with hexane is slow and requires UV light. Permanganate will only react with pent1-ene. Br2 reacts with pent-1-ene ...
Blank Final Exam from 2004 - Department of Chemistry | Oregon
... Fill in the front page of the Scantron answer sheet with your last name, first name, middle initial, and student identification number. Leave the class section number and the test form number blank. This exam consists of 22 multiple-choice questions. Each multiple-choice question has five points ass ...
... Fill in the front page of the Scantron answer sheet with your last name, first name, middle initial, and student identification number. Leave the class section number and the test form number blank. This exam consists of 22 multiple-choice questions. Each multiple-choice question has five points ass ...
NCEA Level 2 Chemistry (91165) 2012
... the others are secondary or tertiary alcohols and can’t be oxidised to a carboxylic acid. Either of the two reagents could be used. Br2 will react with both substances, but the reaction with hexane is slow and requires UV light. Permanganate will only react with pent1-ene. Br2 reacts with pent-1-ene ...
... the others are secondary or tertiary alcohols and can’t be oxidised to a carboxylic acid. Either of the two reagents could be used. Br2 will react with both substances, but the reaction with hexane is slow and requires UV light. Permanganate will only react with pent1-ene. Br2 reacts with pent-1-ene ...
Hofmann–Löffler reaction
The Hofmann–Löffler reaction (also referred to as Hofmann–Löffler–Freytag reaction, Löffler–Freytag reaction, Löffler–Hofmann reaction, as well as Löffler's method) is an organic reaction in which a cyclic amine 2 (pyrrolidine or, in some cases, piperidine) is generated by thermal or photochemical decomposition of N-halogenated amine 1 in the presence of a strong acid (concentrated sulfuric acid or concentrated CF3CO2H). The Hofmann–Löffler–Freytag reaction proceeds via an intramolecular hydrogen atom transfer to a nitrogen-centered radical and is an example of a remote intramolecular free radical C–H functionalization.