Patent · US Active

Method for the preparation of (3S, 3S′) 4,4′-disulfanediylbis (3-aminobutane 1-sulfonic acid)

US9187418B2 · kind B2 · utility

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18Claims

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Assignee

QUANTUM GENOMICS · FR

Inventors

Fabrice Balavoine · Paris, FR
Jonathan Madec · Chatou, FR
Jean-Marie Schneider · Le Thielley, FR
Gerard Coquerel · Boos, FR
Nicolas Couvrat · Rouen, FR
Yohann Cartigny · Bois-Guillaume, FR
Marie-Noelle Petit · Mont-Saint-Aignan, FR

Key dates

Filing date	Oct 7, 2011
Grant date	Nov 17, 2015
Priority date	—
Expiry date	Mar 5, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a new method for the preparation of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) in five steps from (S)-ethyl 2-(benzyloxycarbonylamino)-4-(neopentyloxysulfonyl)butanoate A.

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