Rh(III)-Catalyzed One-Step Synthesis of ortho-Alkynylated Perylene Imide Dyes: Optical and Electrochemical Properties of New Derivatives.
Chemistry
; 28(43): e202200723, 2022 Aug 01.
Article
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| MEDLINE
| ID: mdl-35561125
ABSTRACT
A one-step Rh-catalyzed site-selective ortho-C-H alkynylation of perylene as well as naphthalene mono- and diimides is reported. A single step regioselective access to ortho-C-H alkynylated derivatives of these ryleneimides not only increases the step economy of the ortho-functionalization on these dyes but also provides a quick access route towards highly functionalized dyes that have potential optoelectronic applications. Increased solubility of tetra(triisopropylsilyl)acetylenyl PDIs in organic solvents greatly enhances their utility for further derivatization.
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