C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/239.5
C07D 471/04 (2006.01)
Patent
CA 1202625
ABSTRACT OF THE DISCLOSURE This invention provides a process for the preparation of Pirenzepin (5,11-dihydro-11-[(4-methyl-1-piperazinyl)-acetyl]-6H-pyrido[2,3,b][1,4] benzodiazepin-6-one) which comprises converting 5,11-dihydro-6H-pyrido [2,3-b][1,4]-benzodiazepin-6-one into its di-lithium salt and reacting the product with a (4-methyl-1-piperazinyl)-acetate. Pirenzepin is a known drug, used in the treatment of ulcers.
437625
Breuer Gerhard
Eberlein Wolfgang
Fetherstonhaugh & Co.
Thomae (dr. Karl) Gesellschaft Mit Beschrankter Haftung
LandOfFree
Process for the preparation of 5, 11-dihydro-11-[(4-... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of 5, 11-dihydro-11-[(4-..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of 5, 11-dihydro-11-[(4-... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1301476