1,4-Addition of chiral 2-propenylphosphonamide anions to α-substituted cyclopentenones: use in enantioselective syntheses of methyl dihydrojasmonates and methyl jasmonates
作者:Helen C Hailes、Ben Isaac、M.Hashim Javaid
DOI:10.1016/s0040-4039(01)01437-x
日期:2001.10
anions, generated from the reaction products of (1R,2S)-ephedrine and 2-propene-1-phosphonyl dichloride, to α-substituted cyclopentenones is described. Ozonolysis of the addition products led to the synthesis of both enantiomers of methyl dihydrojasmonate and methyl jasmonate.
描述了由(1 R,2 S)-麻黄碱和2-丙烯-1-膦酰基二氯化物的反应产物生成的手性2-丙烯基膦酰胺阴离子加到α-取代的环戊烯酮上。加成产物的臭氧分解导致二氢茉莉酮酸甲酯和茉莉酮酸甲酯的对映异构体的合成。