Palladium-Catalyzed Acylation of Terminal Alkynes toward 3-Ynone-Linked Chlorophyll- a Derivatives and Their Optical Properties

Takeo Nakano, Hitoshi Tamiaki

Research output: Contribution to journalArticlepeer-review

Abstract

The Pd-catalyzed acylation reactions of terminal 3-ethynyl moieties of chlorophyll-a (Chl-a) derivatives are described herein. Both acyl chlorides and acid anhydrides were valuable reagents for the coupling, resulting in the formation of π-conjugation extended Chl-a derivatives possessing a carbonyl-ethynyl group at the C3-position. The ultraviolet-visible absorption and fluorescence emission data were obtained in solution to evaluate the optical properties of the 3-ynone-linked Chl-a derivatives.

Original languageEnglish
Pages (from-to)16116-16123
Number of pages8
JournalJournal of Organic Chemistry
Volume84
Issue number24
DOIs
Publication statusPublished - Dec 20 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

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