US 7,247,758 B2Granted

Method for producing 2,3,6,7,10,11-hexahydroxytriphenylene

AssigneeOtsuka Chemical Co., Ltd.

InventorTakashi Kameshima

Life of this patent

Estimating the term…

Abstract

The present invention provides a simple and efficient method for producing high-purity 2,3,6,7,10,11-hexahydroxytriphenylene on an industrial scale. The method for producing 2,3,6,7,10,11-hexahydroxytriphenylene comprises reacting catechol with peroxide.

Claims10

Dependent claims

A method for producing 2,3,6,7,10,11-hexahydroxytriphenylene comprising reacting catechol with a peroxide.

Dependencies are inferred from the claim text.

Facts

Application: 10/576,738Filed 20 Oct 2004
Priority: JP 2003-36150022 Oct 2003
Published: US 2007/0093682 A126 Apr 2007
Granted: 24 Jul 2007
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 37/11
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring: by reactions increasing the…
A61P 31/04
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics: antibacterial agents
C07C 2603/42
Containing four condensed rings: containing only six-membered rings
C07C
Acyclic or carbocyclic compounds

Family

US 2007/0093682 A1Pre-grant publication · published 26 Apr 2007
US 7,247,758 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

patentgrepSearch patents

Back to results