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101年 - 101 學士後西醫:有機化學#27197
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63. What is the structure of the final product?
答案:
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統計:
A(4), B(0), C(1), D(24), E(0) #941887
詳解 (共 2 筆)
Eugenia Beillschmidt
B1 · 2019/04/08
#3281835
(共 1 字,隱藏中)
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大家加油! 邀請碼228480
B2 · 2025/12/08
#7209866
這是一個經典的藥物合成反應,最終產品是...
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私人筆記 (共 1 筆)
范暐茹
2025/10/14
私人筆記#7493599
未解鎖
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59. What type of intermediate is present in the following reaction? (A) Carbocation (B) Carbanion (C) Free radical (D) Carbene (E) This reaction has no intermediate.
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60. The following reaction is an example of the Ugi-Heck reaction. What product can be produced?
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【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
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62. The chiral centers in the structure of penicillin V are indicated ( C-2, C-5, and C-6). In the following assignments which one is wrong? (A) 2S (B) 5R (C) 6R (D) 6S (E) None of the above.
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64. What is the structure of the final product?
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65. What is the major product of the following four components’ reaction?
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66. In the following reaction, which compound is the major product?
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67. What is the major product of the following reaction? (A)(B)(C)(D)(E) None of the above.
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68. In the following reaction, which compound is the major product?
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