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:
Feb. 18, 2014
Filed:
May. 31, 2012
Brian M Stoltz, San Marino, CA (US);
Ryan Mcfadden, Foster City, CA (US);
Scott C. Virgil, Pasadena, CA (US);
Helene Kolding, Lyngby, DK;
Jennifer L Alleva, Princeton, NJ (US);
Joshua J Day, Fort Collins, CO (US);
Brian M Stoltz, San Marino, CA (US);
Ryan McFadden, Foster City, CA (US);
Scott C. Virgil, Pasadena, CA (US);
Helene Kolding, Lyngby, DK;
Jennifer L Alleva, Princeton, NJ (US);
Joshua J Day, Fort Collins, CO (US);
California Institute of Technology, Pasadena, CA (US);
Abstract
Enantioenriched compositions of liphagal and its derivatives and precursors include more than 50 mol % of a first enantiomer based on the total amount of a first and a second enantiomer. A method of making an enantioenriched composition includes catalytic enantioselective alkylation, ring expansion, and intramolecular aryne cyclization.