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.

Date of Patent:
Aug. 25, 2009

Filed:

May. 05, 2005
Applicants:

Kwunmin Chen, Taipei, TW;

Jung-hsuan Chen, Taoyuan, TW;

Inventors:

Kwunmin Chen, Taipei, TW;

Jung-Hsuan Chen, Taoyuan, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/416 (2006.01); C07D 487/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses a structure of camphor-derived chiral auxiliary with a general formula (I), wherein Rand Rgroups are independently hydrogen or Cto Calkyl, X group is oxygen, two hydrogen atoms, or sulfur, and Y group is a functional group with stereo effect. Moreover, this invention also discloses a method for forming the above-mentioned chiral auxiliary.


Find Patent Forward Citations

Loading…