Chiral synthesis of both enantiomers of 1,4-dideoxy-1,4-immolyxitol and 1,4-dideoxy-1,4-iminoribitol
摘要:
Reaction of 2,3-dibromopropionyl chloride with 4-methoxyphenol and (S)-1-methlbenzylamine yielded a 4:5 mixture of readily separable diastereomeric aziridine esters in an excellent yield. Both diastereomers, upon heating with vinylene carbonate, furnished four readily separable diastereomeric pyrrolidine esters, respectively, which were transformed into both enantiomers of 1,4-dideoxy-1,4-iminolyxitol and 1,4-dideoxy-1,4-iminoribitol.
Chiral synthesis of both enantiomers of 1,4-dideoxy-1,4-immolyxitol and 1,4-dideoxy-1,4-iminoribitol
摘要:
Reaction of 2,3-dibromopropionyl chloride with 4-methoxyphenol and (S)-1-methlbenzylamine yielded a 4:5 mixture of readily separable diastereomeric aziridine esters in an excellent yield. Both diastereomers, upon heating with vinylene carbonate, furnished four readily separable diastereomeric pyrrolidine esters, respectively, which were transformed into both enantiomers of 1,4-dideoxy-1,4-iminolyxitol and 1,4-dideoxy-1,4-iminoribitol.
Chiral synthesis of both enantiomers of 1,4-dideoxy-1,4-immolyxitol and 1,4-dideoxy-1,4-iminoribitol
作者:Seiichi Takano、Minoru Moriya、Kunio Ogasawara
DOI:10.1016/s0957-4166(00)80499-1
日期:1992.6
Reaction of 2,3-dibromopropionyl chloride with 4-methoxyphenol and (S)-1-methlbenzylamine yielded a 4:5 mixture of readily separable diastereomeric aziridine esters in an excellent yield. Both diastereomers, upon heating with vinylene carbonate, furnished four readily separable diastereomeric pyrrolidine esters, respectively, which were transformed into both enantiomers of 1,4-dideoxy-1,4-iminolyxitol and 1,4-dideoxy-1,4-iminoribitol.