Patent · US Expired

Bis-esters of alkanediols

US4478748A · kind A · utility

3Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1982
Grant dateOct 23, 1984
Priority date
Expiry dateSep 20, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D499/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

6-Acylaminopenicillanoyloxymethyl esters and 1-(6-acylaminopenicillanoyloxy)ethyl esters of 2-beta-acetoxymethyl-2-alpha-methyl-(5R)penam-3-alpha-carboxylic acid 1,1-dioxide are useful as antibacterial agents. The 6-aminopenicillanoyloxymethyl ester, the 1-(6-aminopenicillanoyloxy)ethyl ester and certain other mono-substituted methyl and ethyl esters of 2-beta-acetoxymethyl-2-alpha-methyl-(5R)penam-3-alpha-carboxylic acid 1,1-dioxide are useful intermediates to the aforesaid antibacterial agents.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.