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. 23, 2006
Filed:
Jan. 07, 2003
Applicants:
Rainer Sjöholm, Piispanristi, FI;
Patrik Eklund, Turku, FI;
Jyri-pekka Mikkola, Turku, FI;
Inventors:
Assignee:
Hormos Medical Corporation, Turku, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/12 (2006.01); C07D 313/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the preparation of lariciresinol, cyclolariciresinol or secoisolariciresinol, which method includes the steps of a) reducing hydroxymatairesinol to give 7-hydroxy-secoisolariciresinol, and b) subjecting the 7-hydroxy-secoisolariciresinol obtained in step a) to i) cyclization to give lariciresinol, or ii) cyclization to give cyclolariciresinol, or iii) catalytic hydrogenolysis to give secoisolariciresinol.