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83
(1 分21 秒)
1(A).

77. How to prepare aspirin from phenol? 
(A) 1. NaOH, CO2 2. H3O  3. Ac2O
(B) 1. CH3COCl, AlCl3 2. NaNO2, then H3PO2 3. H3O  
(C) 1. Ac2O 2. H3O  3. NaOH, CO2
(D) 1. HNO3, H2SO4 2. Fe, HCl 3. CH3COCl, AlCl3
(E) 1. Ac2O 2. NaOH 3. CO2, then H3O


2(C).

51. Which of the reagents listed below would work best in the following reaction?  
(A) NaBH4
(B) LiAlH4
(C) BH3 -THF
(D) LiAl[(OC(CH3) 3] 3H
(E) None of the above


3(B).

【單選題】每題 2 分,共計 40 分,答錯 1 題倒扣 0.5 分,倒扣至本大題零分為止,未作答,不給分亦不扣分。61. List the following esters in order of decreasing reactivity in the first step of a nucleophilic acyl substitution reaction:   
(A) 2>3>1>4
(B) 4>1>3>2
(C) 2>4>1>3
(D) 3>1>4>2
(E) 4>2>1>3


4(E).

37. Which of the following are intermediates in the acid hydrolysis of an amide?  
(A) 4
(B) 1, 2 and 3
(C) 1
(D) 2
(E) 2 and 3


5(C).
X


56. Which of the following would represent the correct reaction conditions for the following conversion?   
(A) 1. NaOH, H2O; 2. LiAlH4
(B) 1. Mg, ether; 2. CO2; 3. LiAlH4
(C) 1. KMnO4; 2. LiAlH4
(D) 1. SOCl2, benzene; 2. LiAlH4
(E) 1. LiAlH4, H2O; 2. NaOH, 3-methyl-2-propylpyridine


6(C).

53. What product will be formed by the following reaction conditions? 

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