The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2003
Filed:
Apr. 02, 2002
Applicant:
Inventors:
Vladimir Naddaka, Lod, IL;
Naim Menashe, Herzliya, IL;
Jael Lexner, Tel Aviv, IL;
Shadi Saeed, Haifa, IL;
Joseph Kaspi, Givatayim, IL;
Ori Lerman, Givatayim, IL;
Assignee:
Chemagis, Ltd., Tel Aviv, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
The invention provides a process for the preparation of diphenylmethylthioacetamide (I) as described in Scheme 4 comprising reacting of the isothiouronium salt or its corresponding base of the formula IV with an acetamide of the formula XCH CONH , wherein X represents a halogen, M represents an alkali metal and A represents an anion, in a protic medium at a temperature of less than 100° C.