propan-2-yl 2-(2,2-dimethylpropanoylhydrazinylidene)acetate 、
2,3-二甲基-1,3-丁二烯 在
C
16H
18ClNOSi 作用下,
以
二氯甲烷 为溶剂,
生成
isopropyl (R)-4,5-dimethyl-1-pivalamido-1,2,3,6-tetrahydropyridine-2-carboxylate 、 propan-2-yl (2S)-1-(2,2-dimethylpropanoylamino)-4,5-dimethyl-3,6-dihydro-2H-pyridine-2-carboxylate