A NOVEL AND IMPROVED PROCESS FOR THE PREPARATION OF IRBESARTAN, AN ANGIOTENSIN-II RECEPTOR ANTAGONIST FOR THE TREATMENT OF HYPERTENSION

Application 1828/MUM/2006 published 2008-07-18, filed 2006-11-02
2-Butyl-3-[[2’-(1H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-1, 3-diaza-spiro[4,4]non-1-en-4-one is prepared by reacting 1-(2’-cyanobiphenyl-4-yl)methyl)-2-n-butyl-4-spirocyclopentane-2-imidazolin-5-one with sodium azide and zinc halide, in organic solvent. No. of Pages : 9 No. of Claims : 7

Applicant

1)CADILA PHARMACEUTICALS LTD
:"CADILA CORPORATE CAMPUS", SARKHEJ-DHOLKA ROAD, BHAT, AHMEDABAD-382210, Maharashtra India

Inventor

1)INDRAVADAN AMBALAL MODI 2)HASEENA PINJAR 3)GURUSAMY RENUGADEVI 4)PONNAIAH RAVI 5)BAKULESH MAFATLAL KHAMAR

International Info

Classification: C07D403/10