申请人:Hoffmann-La Roche Inc.
公开号:US04140697A1
公开(公告)日:1979-02-20
Lower alkyl esters of 2-formamido-3(4,5,6 or 7-methyl substituted-3-indolyl)-2-carbalkoxy propionic acid which are useful as intermediates for tryptophane sweetners.
2-甲酰胺基-3(4,5,6或7-甲基取代-3-吲哚基)-2-羧基丙酸较低烷基酯,可作为色氨酸甜味剂的中间体。