Patent · US Expired

3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic acid lactates

US5652371A · kind A · utility

1Cited by

4References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Jurgen Stoltefuss · Haan, DE
Michael Negele · Cologne, DE

Key dates

Filing date	Aug 22, 1995
Grant date	Jul 29, 1997
Priority date	—
Expiry date	Aug 22, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C257/06
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to novel 3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic acid lactates, processes for their preparation and their use as intermediates in the synthesis of 2-amino-substituted 1,4-dihydropyridines.

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