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:
Jun. 24, 2008
Filed:
Mar. 30, 2006
Applicants:
Daisuke Urazoe, Kanagawa, JP;
Hideto Mori, Kanagawa, JP;
Inventors:
Daisuke Urazoe, Kanagawa, JP;
Hideto Mori, Kanagawa, JP;
Assignee:
FUJILFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing a 3-aminophenylacetylene compound of formula (5), including: a) reacting a 3-haloaniline compound of formula (1) with an acetylene compound of formula (2) in the presence of a palladium compound, a copper compound, and an amine compound of formula (3) to form an aniline compound of formula (4); b) precipitating the aniline compound of formula (4) in the form of a crystal, and isolating it by solid/liquid separation; and c) reacting the aniline compound of formula (4) with a base to obtain 3-aminophenylacetylene.