公开(公告)号：US3944590A

公开(公告)日：1976-03-16

申请号：US501565

申请日：1974-08-29

Applicant: Beat Iselin ,  Peter Sieber

Inventor： Beat Iselin ,  Peter Sieber

IPC: A61K38/00 ,  C07K1/06 ,  C07K5/068 ,  C07K5/087 ,  C07C69/96

CPC classification number: C07K1/063 ,  C07K1/064 ,  C07K5/06086 ,  C07K5/0812 ,  A61K38/00

Abstract: Temporary protection of amino groups by the group of the formula I ##EQU1## in which R.sub.1 represents lower alkyl, R.sub.2 lower alkyl or phenyl and R.sub.3 phenyl, and wherein the phenyl radicals are unsubstituted or substituted by lower alkyl, phenyl or lower alkylphenyl groups.

Abstract translation: R 1表示低级烷基，R 2低级烷基或苯基和R 3苯基的式I R1 | R2-CO-CO-（I）| R3基团的氨基的临时保护，其中苯基是未取代或取代的 低级烷基，苯基或低级烷基苯基。