methyl-tri-tert-butyl-(4)annulene-carboxylate 、
(3,3-Dimethylbutylidin)phosphin 以
正戊烷 为溶剂,
反应 1.0h,
生成 (1R,4S)-4,5,6-Tri-tert-butyl-3-(2,2-dimethyl-propyl)-2-phospha-bicyclo[2.2.0]hexa-2,5-diene-1-carboxylic acid methyl ester 、
(1S,4S)-1,5,6-Tri-tert-butyl-3-(2,2-dimethyl-propyl)-2-phospha-bicyclo[2.2.0]hexa-2,5-diene-4-carboxylic acid methyl ester