Patent · US Active

Crystalline form of (S)-1-phenylethylammonium (R)-diphenylmethanesulphinyl-acetate

US8193386B2 · kind B2 · utility

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1References

13Claims

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Assignee

DIPHARMA FRANCIS S.R.L. · IT

Inventors

Giuseppe Barreca · Milano, IT
Pietro Allegrini · Baranzate, IT
Gabriele Razzetti · Baranzate, IT

Key dates

Filing date	Nov 4, 2008
Grant date	Jun 5, 2012
Priority date	—
Expiry date	May 15, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C315/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Novel crystalline hydrate form of (S)-1-phenylethylammonium (R)-diphenyl-methanesulphinyl-acetate and its use in a process for the preparation of (R)-benzhydrylsulphinylacetamide.

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