Patent · US Expired

Process for the preparation of substituted 3-aminoacrylic esters

US5196541A · kind A · utility

1Cited by

2References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Herbert Gayer · Monheim, DE
Alexander Klausener · Neunburg vorm Wald, DE
Peter C. Knuppel · Wermelskirchen, DE
Fritz Maurer · Wuppertal, DE

Key dates

Filing date	Aug 2, 1991
Grant date	Mar 23, 1993
Priority date	—
Expiry date	Aug 2, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

There is described a new process for the preparation of substituted 3-aminoacrylic esters of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, X and n have the meaning given in the description. The 3-aminoacrylic esters of the formula (I) are obtained by reacting acetic esters of the formula (II) EQU R.sup.1 --(X).sub.n --CH.sub.2 --COOR.sup.2 (II) with orthoformic acid diamide esters of the formula (III) ##STR2##

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