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:
Dec. 17, 2013
Filed:
Oct. 13, 2011
Applicants:
Andrea Castellin, Padova, IT;
Ottorino DE Lucchi, Venice, IT;
Andrea Caporale, Venice, IT;
Inventors:
Assignee:
F.I.S. Fabbrica Italiana Sintetici S.p.A., Alte di Montecchio Maggiore, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 239/94 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alternative method for the preparation of Erlotinib through a new chemical reaction for the preparation of the 4-(3-aminophenyl)-2-methyl-3-butyn-2-ol key intermediate of formula (IV) according to the following scheme.