申请人:Pfizer Inc.
公开号:US04411925A1
公开(公告)日:1983-10-25
Amides of L-aspartyl-D-amino acid dipeptides of the formula ##STR1## and physiologically acceptable cationic and acid addition salts thereof wherein R.sup.a is methyl, ethyl, n-propyl or isopropyl; R is a branched member selected from the group consisting of fenchyl, diisopropylcarbinyl, d-methyl-t-butylcarbinyl, d-ethyl-t-butylcarbinyl, di-t-butylcarbinyl, 2-methylthio-2,4-dimethylpentan-3-yl, ##STR2## said amides are potent sweeteners having advantages over the prior art, edible compositions containing them, methods for their use in edible compositions and novel amine and amide intermediates useful in their production.
L-天冬氨酸-D-氨基酸二肽的酰胺化物,其化学式为##STR1##及其生理上可接受的阳离子和酸加成盐,其中R.sup.a是甲基、乙基、正丙基或异丙基;R是从羟基萜、二异丙基甲基、d-甲基-t-叔丁基甲基、d-乙基-t-叔丁基甲基、二-t-叔丁基甲基、2-甲硫基-2,4-二甲基戊烷-3-基、##STR2##所选择的分支链成员,这些酰胺化物是具有优于先前技术的优点的强效甜味剂,可食用组合物中含有它们,它们在可食用组合物中的使用方法以及在它们的生产中有用的新型胺和酰胺中间体。