US2016075658A1PendingUtilityA1

4-hydroxybenzomorphans

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Assignee: RENSSELAER POLYTECH INSTPriority: Nov 5, 2004Filed: Apr 27, 2015Published: Mar 17, 2016
Est. expiryNov 5, 2024(expired)· nominal 20-yr term from priority
Inventors:Mark P. Wentland
A61P 37/06A61P 43/00A61P 29/00A61P 3/04A61P 25/08A61P 25/30A61P 25/36A61P 25/02A61P 25/04A61P 1/00A61P 11/14A61P 17/04A61P 21/02A61P 11/00A61P 1/04A61P 1/12C07D 221/28C07D 215/14C07D 489/00C07D 221/26C07D 215/20C07D 489/02A61K 31/485C07D 489/08
58
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Claims

Abstract

4-Hydroxybenzomorphans containing carboxamide or thiocarboxamide at the 3-position are useful as analgesics, anti-diarrheal agents, anticonvulsants, antitussives and anti-addiction medications.

Claims

exact text as granted — not AI-modified
I claim: 
     
         1 . A process for the synthesis of a compound of formula 4: 
       
         
           
           
               
               
           
         
       
       comprising the step of reacting a compound of formula 12: 
       
         
           
           
               
               
           
         
       
       with zinc in the presence of 37% HCl.

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