作者:Stephen W. Banks、Paul M. Dewick
DOI:10.1016/0031-9422(83)80094-6
日期:1983.1
Abstract Feeding experiments in cupric chloride-treated Pisum sativum pods and seedlings have demonstrated the preferential incorporation of (+)-(6a S ,11a S )-[ 3 H]maackiain over (−)-(6a R , 11a R )-[ 14 C]maackiain into (+)-(6a R , 11a R )-pisatin, establishing that the 6a-hydroxylation of pterocarpans proceeds with retention of configuration. (+)- (6a R ,11a R )-6a-hydroxymaackiain was similarly
摘要 氯化铜处理的豌豆荚和幼苗的饲养实验表明,(+)-(6a S ,11a S )-[ 3 H]maackiain 比 (-)-(6a R , 11a R )-[ 14 C] maackiain 转化为 (+)-(6a R , 11a R )-pisatin,确定 pterocarpans 的 6a-羟基化在保留构型的情况下进行。(+)- (6a R ,11a R )-6a-羟基马卡因的掺入同样比(-)-(6a S ,11a S )-6a-羟基马卡因好得多。在掺入 (-)-异构体的情况下,对产生的 pisatin 的光学活性测量表明 (-)-pisatin 以及正常 (+)-pisatin 的显着合成。7,2'-二羟基-4',5'-亚甲二氧基异黄酮-3-烯和7,2'-二羟基-4',5'-亚甲二氧基异黄烷的两种对映异构体都是苦味素的不良前体。