Patent · US Expired

N-hydroxyl protecting groups and process and intermediates for the preparation of 3-acylamino-1-hydroxy-2-azetidinones

US4581170A · kind A · utility

20Cited by

1References

9Claims

0Family size

Assignee

E.R. SQUIBB & SONS. INC. · US

Inventors

Richard H. Mueller · Marl, DE
Jakob-Matthias Drossard · Regensburg, DE
Peter H. Ermann · Donaustauf, DE

Key dates

Filing date	Aug 3, 1984
Grant date	Apr 8, 1986
Priority date	—
Expiry date	Aug 3, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Processes for preparing the useful intermediates having the formula ##STR1## are disclosed herein, utilizing novel chemical compounds having the formula ##STR2##

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