Process for the preparation of oxcarbazepine and related...

Details Process for the preparation of oxcarbazepine and related... Process for the preparation of oxcarbazepine and related...

2006-10-24

2006-10-24

Kifle, Bruck (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

active

07125987

ABSTRACT:
A process for preparing Oxcarbazepine IIIcomprising:a) reacting oximinostilbene IV with chlorosulfonyl isocyanate in an inert organic solvent and isolating compound Vb) hydrolyzing compound V to form crude Oxcarbazepine IIIc) purifying oxcarbazepine.

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Lohse et al. (Tetrahedron Letters 42 (2001), 385-389.

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