US2005176732A1PendingUtilityA1

Enantiomers of 1-(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl)sulfonyl]piperazine

61
Priority: Mar 15, 1993Filed: Apr 15, 2005Published: Aug 11, 2005
Est. expiryMar 15, 2013(expired)· nominal 20-yr term from priority
Inventors:Eric CossementGuy BodsonJean Gobert
A61P 43/00A61P 37/08A61P 29/00A61P 25/20A61P 25/22A61P 11/06C07D 295/088C07D 295/26C07D 295/073A61K 31/495A61P 17/00
61
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

Levorotatory and dextrorotatory enantiomers of 1-[(4-chlorophenyl)phenylmethyl]-4-[(4-methylphenyl)sulfonyl]piperazine of the formula their preparation and use for the preparation of substantially optically pure enantiomers of 1-[(4-chlorophenyl)phenylmethyl]piperazine, which are themselves valuable intermediate products for the preparation of optically active therapeutic compounds having a very high degree of optical purity.

Claims

exact text as granted — not AI-modified
1 - 8 . (canceled)  
     
     
         9 . A method for the treatment of an allergic condition associated with a cutaneous reaction induced by histamine which comprises administering to a patient in need of such treatment an effective amount of the levorotatory dihydrochloride of 2-[2-[4-[(4-chloropheynl)phenylmethyl]-1-piperazinyl]ethoxy]acetic acid.

Join the waitlist — get patent alerts

Track US2005176732A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.