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:
Jul. 24, 2012
Filed:
Feb. 22, 2007
Applicants:
Teck Peng Loh, Singapore, SG;
Yu Jun Zhao, Singapore, SG;
Inventors:
Teck Peng Loh, Singapore, SG;
Yu Jun Zhao, Singapore, SG;
Assignee:
Nanyang Technological University, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a cyclization process of forming a multiple ring compound from an isoprenoid compound. The cyclization process involves reacting the isoprenoid compound with an acetal initiator under conditions sufficient to form the multiple ring compound. The isoprenoid compound is contacted with an initiator an optionally with a catalyst. Cyclization occurs by reaction of the initiator with the isoprenoid compound. Cyclic acetal compounds wherein the acetal forms part of 6-membered unsaturated ring are also defined.