The synthesis of gongrine and some other amidinoureido-acids
作者:Max Frankel、Tuvia Sheradsky
DOI:10.1039/j39670002698
日期:——
γ-(Amidinoureido)butyric acid has been synthesised by condensation of N-amidino-N′-nitrourea with γ-aminobutyric acid, and is identical with the natural product gongrine. Seven otheramidinoureido-acids have also been synthesised by this method.
D-N-(guanylureidoacetyl)-.alpha.-aminophenyl acetic acid and
申请人:Pfizer Inc.
公开号:US03994965A1
公开(公告)日:1976-11-30
Method of producing N-(guanylureidoacetyl)-.alpha.-aminophenylacetic acid and the utility thereof in the production of N-(guanylureidoacetyl)-.alpha.-aminophenylacetyl chloride and the utility of the latter compound for producing the title penicillanic acid.