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:
Nov. 07, 2023
Filed:
Jun. 29, 2021
The University of Electro-communications, Chofu, JP;
Tokyo University of Pharmacy & Life Sciences, Hachioji, JP;
Shojiro Maki, Chofu, JP;
Nobuo Kitada, Chofu, JP;
Ryohei Moriya, Hachioji, JP;
Hiroshi Aoyama, Hachioji, JP;
Ryosuke Ijuin, Hachioji, JP;
The University of Electro-Communications, Chofu, JP;
TOKYO UNIVERSITY OF PHARMACY & LIFE SCIENCES, Hachioji, JP;
Abstract
The aim is to provide a novel compound that can luminesce with high brightness and be used as a luminescent substrate in a firefly bioluminescence system. Provided is a heterocyclic compound, or salt thereof, represented by the following general formula (1): [R, R, and Rare independently hydrogen or an alkyl group having a carbon number of 1-4, with provisos that Rand Rare optionally bonded to form a ring and that one of Rand Ris optionally bonded to Yto form a ring; X is S, O, NR, or CH, and Yand Yare independently N or CR, where each Ris independently hydrogen, an alkyl group having a carbon number of 1-4, an alkenyl group having a carbon number of 2-4, or an acyl group having a carbon number of 2-4; n is an integer of 0-4].