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. 07, 2020
Filed:
Jun. 09, 2017
Applicant:
Yuki Gosei Kogyo Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
YUKI GOSEI KOGYO CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/72 (2006.01); C07D 265/30 (2006.01); C07D 413/04 (2006.01); C07D 211/58 (2006.01); C07B 61/00 (2006.01);
U.S. Cl.
CPC ...
C07D 211/58 (2013.01); C07B 61/00 (2013.01);
Abstract
The object of the present invention is to provide a method for preparing 4-(piperidin-4-yl)morpholine, which is easy to operate. The object can be solved by a method for preparing 4-(1-benzylpiperidin-4-yl)morpholine, characterized in that 5-fold molar or more of morpholine is added to 1-benzyl-4-piperidone, and the mixture is reacted with hydrogen under 1 MPa or less in the presence of platinum catalyst or palladium catalyst.