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:
Oct. 23, 2018

Filed:

Feb. 26, 2016
Applicants:

Op Bio Factory Co., Ltd., Uruma-shi, Okinawa, JP;

Seed Research Institute Co., Ltd., Kunigami-gun, Okinawa, JP;

Inventors:

Teruhiko Ishikawa, Okayama, JP;

Morita Iwami, Okinawa, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); C07D 498/04 (2006.01); C07D 273/01 (2006.01); C07D 261/04 (2006.01); C07D 211/44 (2006.01); C07D 211/74 (2006.01); C07B 33/00 (2006.01);
U.S. Cl.
CPC ...
C07D 261/04 (2013.01); C07B 33/00 (2013.01); C07D 211/44 (2013.01);
Abstract

Provided is a production method of kakeromycin and a derivative thereof showing an antifungal activity and cytotoxicity and expected as a new antifungal agent or anticancer agent, by chemical synthesis. A production method of a compound represented by the formula (1): wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; and n is 0 or 1, or a salt thereof, including a step of subjecting a compound represented by the formula (2): wherein R and n are as defined above, or a salt thereof, to an oxidation reaction.


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