Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-11-07
2006-11-07
McKane, Joseph K. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S424000, C548S530000
Reexamination Certificate
active
07132444
ABSTRACT:
The present invention provides a novel process for preparation of trans-3-ethyl 2,5-dihydro-4-methyl-N-[2-[4-[[[[(4-methyl cyclohexyl)amino]carbonyl]amino]sulfonyl]phenyl]ethyl]-2-oxo-1H-pyrrole-1-carboxamide via the novel intermediate compounds of formula 3.
REFERENCES:
patent: 4379785 (1983-04-01), Weyer et al.
patent: 5264449 (1993-11-01), Albaugh
Budhdev Rehani Rajeev
Rajamannar Thennati
Soni Rohit Ravikant
Chung Susannah L.
McKane Joseph K.
Pharmaceutical Patent Attorneys, LLC
Sun Pharmaceutical Industries Ltd.
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