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. 18, 2022
Filed:
Jan. 25, 2021
Applicant:
Takasago International Corporation, Tokyo, JP;
Inventors:
Yasuhiro Komatsuki, Kanagawa, JP;
Kazuya Taira, Kanagawa, JP;
Ayaka Koike, Kanagawa, JP;
Kazuki Kimura, Kanagawa, JP;
Assignee:
TAKASAGO INTERNATIONAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/14 (2006.01); C07C 29/38 (2006.01); C07C 35/17 (2006.01);
U.S. Cl.
CPC ...
C07C 29/14 (2013.01); C07C 29/38 (2013.01); C07C 35/17 (2013.01); C07C 2601/14 (2017.05);
Abstract
A method for manufacturing isopulegol includes the step of diastereoselective ring-closing a citronellal using an aluminum compound of formula (1) below. In formula (1), X represents a halogen atom, Y represents a halogen atom or a hydrogen atom, and Rrepresents a phenyl group or a cycloalkyl group of 5 to 12 carbons.