Patent · US Expired

Process for the preparation of 1-substituted 2,4-dinitrobenzenes

US6198007A · kind A · utility

0Cited by

7References

19Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Lars Rodefeld · Leverkusen, DE
Alexander Klausener · Neunburg vorm Wald, DE
Ferdinand Hagedorn · Leverkusen, DE

Key dates

Filing date	Apr 11, 2000
Grant date	Mar 6, 2001
Priority date	—
Expiry date	Apr 11, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C201/12
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Provided is a process for the preparation of specific 1-substituted 2,4-dinitrobenzenes by reaction of 1-halogeno-2,4-dinitrobenzenes with mono-alkali metal salts of specific diols, in which the 1-halogeno-2,4-dinitrobenzene and the mono-alkali metal salt of the diol are simultaneously added and reacted.

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