Process for piperidine derivatives

Details Process for piperidine derivatives Process for piperidine derivatives

1995-01-06

1997-05-20

Chang, Ceila

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546237, 546239, 546240, C07D21122

Patent

active

056313756

ABSTRACT:
The present invention is related to a novel process for preparing certain piperidine derivatives which are useful as antihistamines, antiallergy agents and bronchodilators, these piperidine derivatives can be described by the following formulas: ##STR1## wherein R.sub.1 represents hydrogen or hydroxy;

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