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:
Dec. 04, 2018
Filed:
Mar. 31, 2016
Applicant:
Seasons Biotechnology (Taizhou) Co., Ltd., Taizhou, CN;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 213/00 (2006.01); C07C 213/02 (2006.01); C07C 219/06 (2006.01); C07C 67/08 (2006.01); C07C 67/24 (2006.01);
U.S. Cl.
CPC ...
C07C 213/00 (2013.01); C07C 67/08 (2013.01); C07C 67/24 (2013.01); C07C 213/02 (2013.01); C07C 219/06 (2013.01);
Abstract
The present invention relates to a preparation method of 4-isopropylamino-1-butanol, in which using cheap and readily available tetrahydrofuran and acetic acid solution of hydrogen bromide as starting materials to prepare a novel intermediate of 4-isopropylamino-1-acetoxyl butane and further obtain the target product. The present invention has advantages of convenient process operations, mild reaction conditions, economical and environment-friendly benefits, and suitability for industrial production to obtain the product with high purity and high yield.