Lower alkyl esters of .alpha.-formamido,.alpha.-carbalkoxy tryptophans
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.