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:
May. 06, 2014
Filed:
Mar. 20, 2012
Applicants:
Lak Shin Jeong, Seoul, KR;
Hyuk Woo Lee, Gyeonggi-do, KR;
Inventors:
Lak Shin Jeong, Seoul, KR;
Hyuk Woo Lee, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 43/90 (2006.01); A61K 31/519 (2006.01); C07D 497/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for preparation of MLN4924 as an E1 activating inhibitor, and more specifically, to a method for efficient and stereoselective preparation of MLN4924 by means of key steps involving stereoselective reduction of cyclopentenone with isopropylidene, regioselective cleavage of isopropylidene moiety, and synthesis of cyclic sulfate.