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:
Oct. 11, 2022
Filed:
Aug. 17, 2018
Applicant:
Okinawa Institute of Science and Technology School Corporation, Okinawa, JP;
Inventor:
Eugene Khaskin, Okinawa, JP;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 315/04 (2006.01); B01J 31/18 (2006.01); B01J 31/20 (2006.01); B01J 31/22 (2006.01); B01J 31/24 (2006.01); C07D 295/096 (2006.01); C07D 333/18 (2006.01);
U.S. Cl.
CPC ...
C07C 315/04 (2013.01); B01J 31/1805 (2013.01); B01J 31/189 (2013.01); B01J 31/20 (2013.01); B01J 31/226 (2013.01); B01J 31/2495 (2013.01); C07D 295/096 (2013.01); C07D 333/18 (2013.01); B01J 2231/4288 (2013.01); B01J 2531/821 (2013.01); B01J 2531/825 (2013.01); C07B 2200/05 (2013.01); C07C 2601/02 (2017.05); C07C 2601/16 (2017.05);
Abstract
A cyclopropanation method includes reacting an alcohol, an ester, or an aldehyde with a sulfone in an organic solvent containing a base providing a counter cation to form a cyclopropane; and isolating the cyclopropane. When using the alcohol or ester, the organic solvent further contains a catalyst having an alcohol dehydrogenation activity.