問題詳情
49. What is the major organic product of the following reaction?
(A) 4-ethyl-2,3-dimethylpyridine
(B) 5-ethyl-2,3-dimethylpyridine
(C) 6-ethyl-2,3-dimethylpyridine
(D) 2-methyl-3-propylpyridine
(E) 3-methyl-2-propylpyridine
參考答案
答案：E
難度：適中0.4
統計：A(2),B(1),C(0),D(0),E(2)