A new route to the synthesis of near-infrared absorbing pyrazinopyrazine bridged dyes with intramolecular charge transfer character


TitleA new route to the synthesis of near-infrared absorbing pyrazinopyrazine bridged dyes with intramolecular charge transfer character
Publication TypeJournal Article
Year of Publication2014
AuthorsZhang, Liang, Lo Kin Cheung, and Chan Wai Kin
JournalChemical Communications
Volume50
Issue32
Pagination4245-4247
Date Published03/2014
ISSN1364-548X
Keywordsdye, intramolecular charge transfer, near-infrared absorption
Abstract

A simple and versatile procedure was developed for the synthesis of pyrazino[2,3-b]thieno[3,4-e]pyrazine derivatives with intramolecular charge transfer character. The compounds obtained exhibited a narrower band gap compared to those with one pyrazine bridge.

DOI10.1039/c4cc01084a
Short TitleChem. Commun.