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(a)
Interpretation: The compound in a given pair which is more reactive towards nucleophilic attack is to be predicted.
Concept introduction: The carbon atom in carbonyl compound acts as an electrophilic centre where a nucleophile attacks and gives a corresponding addition. The nucleophilic addition reaction a characteristic reaction for the carbonyl compounds.
(b)
Interpretation: The compound in a given pair which is more reactive towards nucleophilic attack is to be predicted.
Concept introduction: The carbon atom in carbonyl compound acts as an electrophilic centre where a nucleophile attacks and gives a corresponding addition. The nucleophilic addition reaction a characteristic reaction for the carbonyl compounds.
(c)
Interpretation: The compound in a given pair which is more reactive towards nucleophilic attack is to be predicted.
Concept introduction: The carbon atom in carbonyl compound acts as an electrophilic centre where a nucleophile attacks and gives a corresponding addition. The nucleophilic addition reaction a characteristic reaction for the carbonyl compounds.
(d)
Interpretation: The compound in a given pair which is more reactive towards nucleophilic attack is to be predicted.
Concept introduction: The carbon atom in carbonyl compound acts as an electrophilic centre where a nucleophile attacks and gives a corresponding addition. The nucleophilic addition reaction a characteristic reaction for the carbonyl compounds.
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Chapter 20 Solutions
Organic Chemistry
- Problem 16.2: Rank the following compounds by increasing heat of hydrogenation (1-lowest and 3-highest) a. b. C.arrow_forwardDraw a stepwise mechanism for the attached reaction, which involves two Friedel–Crafts reactions. B was an intermediate in the synthesis of the antidepressant sertralinearrow_forwardidentify the reagents needed to come up with the compounds given. a. b. c. d. e. f. g. h. i.arrow_forward
- Which heterocycles are aromatic? a. d. b.arrow_forwardDraw a stepwise mechanism for the sulfonation of an alkyl benzene such as A to form a substituted benzenesulfonic acid B. Treatment of B with base forms a sodium salt C that can be used as a synthetic detergent to clean away dirtarrow_forwardQ.3 Give reason: a. Enols are considered as strong nucleophiles as compared to alkenes. b. Aldol reaction is nucleophilic addition while Claisen is substitution. C. a-protons of carbonyl compounds are acidic.arrow_forward
- 16.41 Draw the products of each reaction. а. HNO3 H2SO4 'NO2 HO b. AICI3 CI С. H. Br2 FeBr3arrow_forwardWhat is the major organic product obtained from the following reaction? A. B. CI لله مللی حمله C. D. فيarrow_forwardProblem 25.14 What nitro compound, nitrile, and amide are reduced to each compound? a. CH,CHCH,NH, CH,NH, b. Problem 25.15 What amine is formed by reduction of each amide? CONH, b. "NHCH Problem 25.16 Explain why isopropylamine [(CH).CHNH] can be prepared by reduction of a nitro compound, but cannot be prepared by reduction of a nitrile, even though it is a 1* amine. Problem 25.17 Which amines cannot be prepared by reduction of an amide? NH O O Darrow_forward
- 9.54 Draw two different routes to each of the following ethers using a Williamson ether synthesis. Indicate the preferred route (if there is one). a. b. C.arrow_forward14.43 Draw the products formed when each compound is treated with one equivalent of HBr. b. C.arrow_forwardOne step in the synthesis of sitaglipitin (Problem 17.14, a drug used to treat type 2 diabetes) involves reaction of the mixed anhydride A with B to form C. Draw a stepwise mechanism for this reaction.arrow_forward
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