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:
Jan. 29, 2008
Filed:
Mar. 08, 2002
Applicants:
Shu Kobayashi, Tokyo, JP;
Kei Manabe, Tokyo, JP;
Inventors:
Shu Kobayashi, Tokyo, JP;
Kei Manabe, Tokyo, JP;
Assignee:
Japan Science and Technology Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for aldol reaction in water, which comprises: reacting an aldehyde with a silyl enol ether in an aqueous medium in the presence of a boronic acid represented by the following general formula (1):RRBOH  (1)(wherein Rand Rare the same or different hydrocarbon groups that may contain a substituent), a surfactant, and a Brønsted acid is provided. This method for aldol reaction in water uses a catalytic amount of the boron source to give products in high yield and selectivity.