Patent · US Expired

1-hydroxyimidazole compounds

US5484938A · kind A · utility

0Cited by

2References

4Claims

0Family size

Assignee

BASF SE

Inventors

Ulf Baus · Dossenheim, DE
Wolfgang Reuther · Neckargemünd, DE

Key dates

Filing date	Nov 27, 1991
Grant date	Jan 16, 1996
Priority date	—
Expiry date	Nov 27, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D249/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The preparation of 1-hydroxyimidazoles of the formula I ##STR1## where the R radicals can be identical or different and are each halogen or an organic radical, it also being possible for vicinal radicals to be connected to form an aromatic or nonaromatic ring of from 3 to 12 carbon atoms, and n is from 0 to 3, entails reacting an imidazole of the formula II ##STR2## where Q is preferably hydrogen or, especially where R is not halogen, an alkali metal or alkaline earth metal cation, with an organic peroxide. The 1-hydroxyimidazole and its halogen substituted derivatives of the formula I and the acid addition salts thereof are valuable intermediates for organic syntheses.

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