Patent · US Expired

[3S(Z)]-2-[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfoo xy)-3-azetidinyl]amino]-2-oxoethylidene]-amino]oxy] acetic acid and intermediate

US4638061A · kind A · utility

6Cited by

1References

2Claims

0Family size

Assignee

E.R. SQUIBB & SONS. INC. · US

Inventors

William A. Slusarchyk · Montgomery, US
William H. Koster · Ringoes, US

Key dates

Filing date	Jan 28, 1985
Grant date	Jan 20, 1987
Priority date	—
Expiry date	Jan 28, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/18
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Pharmaceutically acceptable salts of [3S(Z)]-2-[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfooxy)-3 -azetidinyl]amino]-2-oxoethylidene]amino]oxy] acetic acid and a process useful in the preparation of such salts are disclosed herein.

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