Patent · US Expired

Process for preparing acylsulfamoylbenzamides

US7608736B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Sergiy Pazenok · Kelkheim, DE
Mark James Ford · Nordenstadt, DE
Gunter Schlegel · Liederbach, DE

Key dates

Filing date	Jun 23, 2004
Grant date	Oct 27, 2009
Priority date	—
Expiry date	Oct 26, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C303/40
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for the preparation of a compound of formula (I):Which comprises reaction of a compound of formula (II) with a compound of the formula (III) in the presence of a chlorinating agent, followed by reaction of the resultant compound of the formula (IV) with a compound of formula (V) in the presence of a base:wherein the various symbols are as defined in claim 1.

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