April 15, 2013

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 63 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.

CAPLUS COPYRIGHT 2013 ACS

Patent Number: US 8362006
Title: Processes for preparation of zilpaterol via chlorination of 4-(2-oxo-2,3-dihydrobenzimidazol-1-yl)butyric acid or nitrosation of 8,9-dihydro-2H,7H-2,9a-diazabenzo[cd]azulene-1,6-dione.
Inventor(s): Dubuis, Stephane; Krebs, Oliver
Patent Assignee(s): Intervet International B.V., Neth.
Source: PCT Int. Appl., 54pp. CODEN: PIXXD
Language: English

Abstract:
Processes for preparation of zilpaterol include chlorination of 4-(2-oxo-2,3-dihydrobenzimidazol-1-yl)butyric acid with oxalyl chloride, phosgene, or triphosgene to give the acid chloride and reaction of 8,9-dihydro-2H,7H-2,9a-diazabenzo[cd]azulene-1,6-dione with an inorg. nitrite to give 4,5-dihydroimidazo[4,5,1-jk][1]benzazepin-2,6,7[1H]-trione-6-oxime.

Please note:  Abstracts and Titles for patent records in CAplus are routinely enhanced to better describe the claimed invention. The title of the U.S. granted patent is Processes for making zilpaterol and salts thereof.

 View the full-text here.

Recent News


    December 22, 2016 | CAS announces highly 
    anticipated early access of its revolutionary new 
    solution, SciFindern to select organizations

    December 19, 2016 | CAS Convenes Executive
    Innovation Summits to Inspire Global Economic
    Growth

    August 21, 2016 | CAS announces SciFindern, a new
    research experience that elevates scientific discovery

                                                                    More News >> 

 Media Contact

 Name: Rhonda Ross
 Phone: 614-447-3624                                       
 Email: cas-pr@cas.org