Patent · US Expired

Method for producing 1,3-di-substituted 2-nitroguanidines

US6194575A · kind A · utility

4Cited by

4References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Detlef Wollweber · Wuppertal, DE
Wolfgang Kramer · Wuppertal, DE
Eric Rivadeneira · Leverkusen, DE

Key dates

Filing date	Sep 21, 1999
Grant date	Feb 27, 2001
Priority date	—
Expiry date	Sep 21, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D417/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of compounds of the formula (I) ##STR1## by reacting compounds of the formula (II) ##STR2## in which PA1 Het, R.sup.1, R.sup.2 and R.sup.4 are as defined in the description, with urea.

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