Total synthesis and identification of two diastereoisomers of 1-methyl-2-[N-(p-tolylsulfonyl)-2-pyrrolidinyl]ethyl β-l-fucopyranoside
作者:Maria Joselice e Silva、Louis Cottier、Rajendra M. Srivastava、Denis Sinou、Alain Thozet
DOI:10.1016/j.carres.2004.11.016
日期:2005.2
The reaction of a racemic mixture of (2R,2'S)- and (2S,2'R)-N-(p-tolylsulfonyl)-2-pyrrolidinyl-2-propanol, prepared from (S)-proline, with 2,3,4-tri-O-acetyl-alpha-L-fucopyranosyl trichloroacetimidate led to both diastereoisomers of the title compound after O-deacetylation.
由(S)-脯氨酸制得的(2R,2'S)-和(2S,2'R)-N-(对甲苯磺酰基)-2-吡咯烷基-2-丙醇的外消旋混合物与2,3的反应在O-脱乙酰基作用后,4-(3-O-乙酰基-α-L-呋喃果糖基)三氯乙酰亚胺酸酯导致标题化合物的两种非对映异构体。