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- A key step in the hydrolysis of acetamide in aqueous acid proceeds by nucleophilic addition of * OH (a) H3O* to CH3Ĉ NH2 (b) H2O to CH3ČNH2 + OH +OH (c) H3O* to CH,ČNH2 (d) HO¯ to CH3CNH2PQ-17. What is the major product of this reaction? (A) H3CO њсоян (B) OH OH (C) OH O H OH OH 1) CH,MgBr (1 eq.) 2) NHÀ -OH (D) онянPQ-29. What is the major product of this reaction? (A) ОН (B) OH OH 1) excess CH3Li 2) H30+ (D) Н
- Give IUPAC names for the following compounds: (a) (b) OH CH3 Ï HOCH₂CH₂CHCH₂OH (d) OH H CH3 & H CH3CHCHCH₂CH3 CH₂CH₂CH3 (e) Ph H OH "H (c) (f) H... HO NEC OH H OH 'Br(b) Cortisone OH H2C CH -HO- H3C Oalcohol O carbon-carbon double bond Oester Oaldehyde Ocarbon-carbon triple bond Oether O amide Ocarboxylate anion Oketone Oamine O carboxylic acid O thiol (c) Prostaglandin PGE2 COOH Но OH Oalcohol O carbon-carbon double bond Oester Oaldehyde Ocarbon-carbon triple bond Oether Oketone O amide O carboxylate anion Oamine Ocarboxylic acid O thiol24). What is the major organic product of the following reactions? -CH₂-CN Å (A) 1. LDA/THF CH₂-COOH (B) COOH OH (C) 3. H₂O+, Heat H₂ ? LOH (D) (E) CH₂-CN OH
- 1. Give IUPAC names for the following carboxylic acids: (c) CH;CH-CHCH,CH2CH3 (а) (b) Br CH;CHCH,ČOH CH;CHCH2CH,čOH (d) (e) H HO,C Co,H CH2CH,COHPQ-23. What are the major products of this reaction? (A) i 18ОН ОН > (B) (D) 180 i Å CH 3 + NaOH (aq) 18ОН OHWhich of the compounds, (a)-[d) below is the major product of the reaction: H* / H20 (a) (b) OH OH (c) (d) но OH O A. (a) O B. (b) OC. (C) O D. (d)
- 22). What is the major product of the following reactions? (A) (B) Br 1) NaCN 2) CH3MgBr 3) H30*/H₂O (C) LOH (D) CNDraw a resonance structure of the acetonitrile anion, -: CH2CN, and account for the acidity of nitriles.As far back as the 16th century, South American Incas chewed the leaves of the coca bush, Erythroxylon coca, to combat fatigue. Chemical studies of Erythroxylon coca by Friedrich Wöhler in 1862 resulted in the discovery of cocaine, C17H21NO4, as the active component. Basic hydrolysis of cocaine leads to methanol, benzoic acid, and another compound called ecgonine, C9H15NO3. Oxidation of ecgonine with CrO3 yields a keto acid that readily loses CO2 on heating, giving tropinone. (a) What is a likely structure for the keto acid? (b) What is a likely structure for ecgonine, neglecting stereochemistry? (c) What is a likely structure for cocaine, neglecting stereochemistry?