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:
Jan. 08, 2019

Filed:

Sep. 24, 2017
Applicants:

Pottayil Govindan Nair Sasikumar, Bangalore, IN;

Muralidhara Ramachandra, Bangalore, IN;

Seetharamaiah Setty Sudarshan Naremaddepalli, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 271/06 (2006.01); C07D 273/08 (2006.01); A61K 31/4245 (2006.01); A61K 45/06 (2006.01); A61K 31/395 (2006.01); C07D 273/00 (2006.01); A61K 31/433 (2006.01);
U.S. Cl.
CPC ...
C07D 271/06 (2013.01); A61K 31/395 (2013.01); A61K 31/4245 (2013.01); A61K 31/433 (2013.01); A61K 45/06 (2013.01); C07D 273/00 (2013.01); C07D 273/08 (2013.01); Y02A 50/385 (2018.01); Y02A 50/406 (2018.01); Y02A 50/409 (2018.01); Y02A 50/411 (2018.01); Y02A 50/414 (2018.01); Y02A 50/463 (2018.01); Y02A 50/465 (2018.01); Y02A 50/467 (2018.01); Y02A 50/469 (2018.01); Y02A 50/471 (2018.01); Y02A 50/473 (2018.01); Y02A 50/478 (2018.01); Y02A 50/481 (2018.01);
Abstract

The present invention relates to synthetic methods for 1,2,4-oxadiazole compounds. The general synthetic scheme is: Rrepresents −CHOBu or −CH(CH)OBu, Rrepresents −CHC(O)NHCPh, −CHCHC(O)NHCPh, −CHC(O)OBu, or −CHCHC(O)OBu, and Aaa is an amino acid residue selected from Thr and Ser; wherein the C-terminus thereof is esterified, and wherein the hydroxy moiety of the side chain of Thr or Ser is substituted with tbutyl; the base is triethylamine; and the solvent is tetrahydrofuran.


Find Patent Forward Citations

Loading…