Albany Molecular Research, Inc.

Benjamin J Littler

Harold Meckler

Paul F Vogt

Prasad Raje

Michael Van Brunt

Michael Van Brundt

Processes are disclosed for preparing piperidine derivative compounds of the formulae I, II or III:  The processes involve reacting a compound of formula Ia, IIa or IIIa with isobutyrate or an isobutyrate equivalent.

Process for production of piperidine derivatives

Processes are disclosed for preparing piperidine derivative compounds of the formulae I, II or III: 

Process for production of carebastine

Processes are disclosed for preparing piperidine derivative compounds of the formulae I, II or III: The processes involve reacting a compound of formula Ia, IIa or IIIa with isobutyrate or an isobutyrate equivalent.

Growing community of inventors

Somerville, MA, United States of America

Benjamin J Littler