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PROCESS FOR THE SYNTHESIS OF 4-(3-SULFONYLPHENYL)-PIPERIDINES.
PROCESS FOR THE SYNTHESIS OF 4-(3-SULFONYLPHENYL)-PIPERIDINES.
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机译:合成4-(3-磺基亚苯基)-哌啶的方法。
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摘要
The present invention is directed to processes for the preparation of 4-(sulfonylphenyl)-piperidines of the Formula (VI), and pharmaceutically acceptable salts thereof; which comprises oxidizing a sulfide of the Formula (VII) or Formula (VIII), to give a compound of the Formula (IX) or Formula (X) respectively, followed by catalic reduction of the compound of the Formula (IX) or dehydration of compound of formula (X) to give a compound of Formula (IX) followed by catalytic reduction of the compound of formula (IX) to give the compound of the Formula (VI).
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