69. When 1-methyl-1-cyclohexene is respectively treated with the following reagent set, which will give the same product?
(A) II, V
(B) III, IV
(C) II, III, V
(D) I, V
(E) I, III

70. Predict the outcome of the following sequence of reactions. (A) (B) (C) (D) (E)

71. The following substrate is a starting material in the synthesis of compounds having opioid activity. Show all products that would result from the reaction below. (A) I, II, III (B) I, III, IV (C) I, III, V (D) II, III, IV (E) II, IV, V

72. Predict the structure of the hydrolysis product. (A) (B) (C) (D) (E)

73. In order to synthesize the final product shown below, predict when should a protecting group be added and when should it be removed? (A) The hydroxyl group should be protected before step I and removed after step I (B) The hydroxyl group should be protected before step I and removed after step II (C) The hydroxyl group should be protected before step I and removed after step III (D) The hydroxyl group should be protected before step II and removed after step III (E) There is no need for a protecting group in this synthesis.

74. Which of the following Diels-Alder reactions has the largest reaction rate constant? (A) (B) (C) (D) (E)

75. What is the product of this reaction? ?(A) (B) (C) (D) (E)

76. What is the major product obtained from the following reaction sequence? (A) (B) (C) (D) (E)

77. What is the major product of the following reaction? (A) (B) (C) (D) (E)

78. Which of the following reactions is called Gabriel synthesis? (A) (B) (C) (D) (E) None of the above.

79. What is the major product of the following triene to undergo the intramolecular Diels-Alder reaction? (A) (B) (C)  (D) (E)

105年 - 105 學士後西醫：有機化學#78642

104年 - 104 學士後西醫：有機化學#27032

103年 - 103 學士後西醫：有機化學#27037

102年 - 102 學士後西醫：有機化學#27324

101年 - 101 學士後西醫：有機化學#27197

100年 - 100 學士後西醫：有機化學#35480

98年 - 098 學士後西醫：有機化學#37156

96年 - 96學士後西醫-有機化學 #37201