Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-01-10
2006-01-10
Tsang, Cecilia J. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C562S568000, C562S596000
Reexamination Certificate
active
06984739
ABSTRACT:
An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formula (I):where X1and X2, which may be the same or different, are hydroxy, C1–C4alkoxy, phenoxy, halogen, or X1and X2, when taken together are an oxygen atom and the resulting compound is a derivative of succinic anhydride; Y is halogen, a mesyloxy or a tosyloxy group, and subsequent treatment with water, then with a base and then with trimethylamine.
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Cerri Alberto
Melloni Piero
Santagostino Marco
Nixon & Vanderhye P.C.
Oh Taylor Victor
Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
Tsang Cecilia J.
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