Patent · US Active

Process for preparing fesoterodine

US9085509B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

Alembic Pharmaceuticals Limited · IN

Inventors

Jayaraman Venkat Raman · Vadodara, IN
Samir Patel · Scottsdale, US
Indrajit Thakor · Vadodara, IN
Mahesh Ladani · Vadodara, IN
Chetan Patil · Vadodara, IN
Ronak Patel · Vadodara, IN
Prashant Raval · Vadodara, IN
Viral Parekh · Morbi, IN
Hiral Shah · Salumbar, IN

Key dates

Filing date	Nov 11, 2011
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Nov 11, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C219/28
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to an improved process for the preparation of Fesoterodine and pharmaceutically acceptable salts thereof. The present invention particularly relates to a process for the preparation of fesoterodine and pharmaceutically acceptable salts thereof which involves use and preparation of R(+)benzyl tolterodine and fumarate salt of R(+)-[4-benzyloxy-3-(3-diisopropylamino-1-phenylpropyl)-phenyl]-methanol.

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