NEW PROCESS FOR THE PREPARATION OF OXABISPIDINES

Application 903/MUMNP/2003 published 2006-07-07, filed 2003-09-24
There is provided a process for the preparation of a benzenesulfonic acid salt of a compound of formula (I) which process comprises reaction of a compound of formula (II) with a compound of form ula (III) wherein R1, R2, A and B have meanings given in the description. Drawing: NIL Total Pages: 26 Fig. NIL

Applicant

ASTRAZENECA AB
S-151 85 SODERTALJE, SWEDEN

Inventor

1. LAL CHEEMA 2. DAVID CLADINGBOEL

International Info

Classification: C07D 498/08, A61K 31/5386, A61P 9/06
Publication Number: WO 02/083691
Application Date: 2002-04-12

Priority Information

0101323-4 SWEDEN 2001-04-12