Patent · US Active

Method for producing indanone derivatives

US9676691B2 · kind B2 · utility

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16Claims

0Family size

Assignee

SYMRISE AG · DE

Inventors

Oskar Koch · Oebisfelde, DE
Dietmar Schatkowski · Stadtoldendorf, DE
William Johncock · Reinbek, DE
Christel Jahnke · Brakel, DE
Karl-Georg Fahlbusch · Rinteln, DE

Key dates

Filing date	Aug 24, 2012
Grant date	Jun 13, 2017
Priority date	—
Expiry date	Apr 6, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C49/755
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method is described for producing a compound having the formula (I)or an admixture comprising a compound having the formula (I),having the following steps: where R1 and R2 independently of each other signify hydrogen or a branched or unbranched alkyl group having from 1 to 12 carbon atoms andwhere R3, R4, R5, R6, R7, R8, R9, R10 and R11 independently of each other signify hydrogen, hydroxy or a branched or unbranched alkyl or alkoxy group having from 1 to 12 carbon atoms and An admixture comprising a compound of the formula (I) and other components is further described.

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