Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Statutory Invention Registration
2006-04-04
2006-04-04
Felton, Aileen (Department: 3641)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Statutory Invention Registration
active
H0002154
ABSTRACT:
A process for preparing optically pure enantiomers of R-(−)tamsulosin of formiula Ia and S-(+)tamsulosin of formula Ib by resolving racemic tamsulosin of formula I by means of (IR)-(−)-camphor-10-sulfonic acid and (1S)-(+)-camphor-10-sulfonic acid, resp., in an environment of organic solvents, water or mixtures thereof.
REFERENCES:
patent: 2003/0109752 (2003-06-01), Hoorn et al.
Hradil Pavel
Kvapil Lubomir
Slezar Petr
Urbasek Miroslav
Farmak, a.s.
Felton Aileen
Reising Ethington Barnes Kisselle P.C.
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