醛、酮的親核加成反應－加醇類

49.下列反應生成主要產物結構為何? (A)(B)(C)(D)
43. 下列反應的主要產物為何？
48.下列哪一個化合物是會有正的多倫反應(positive Tollen's test)？ (A) α-D-葡萄糖(α-D-glucopyranose) (B) 甲基-β-D-吡喃葡...
67. Which reaction sequence is required to accomplish the following transformation? (A) 1. LiAlH4 2. H3O 3. Na...
70. Predict the major product of the following reaction. OH CHO OH acid cat. ? (A) (B)(C) (D)&...
46. 將 D-葡萄糖 (D-glucose) 溶解在甲醇中並通入氯化氫氣體會得到什麼產物？ (A) Ⅰ和Ⅲ (B) Ⅱ和Ⅲ (C) Ⅰ和Ⅲ (D) Ⅰ和Ⅳ (E) Ⅱ...
30. Provide the major product for the following reaction ?(A) I (B) II (C) III (D) IV (E) V
44. Which of the following is a nonreducing sugar (does not react with Tollens' reagent)?

寬識(已上榜、感謝阿摩與前輩)