METHOD OF PRODUCING DERIVATIVES OF 61-(D-2-ACYLAMIDO-2-PHENYLACETAMIDO)-PENICILLANIC ACIDS OR THEIR SALTS

摘要

PURPOSE:Penicillin derivatives of formula I (R1 is H, 1-5 C alkyl); for example, 6-D-2-(D-2-amini-3-carbamoylpropionamido)-2-p-hydroxyphenylacetamido) penicillanic acid K salt.