Golden Age of Fluorenylidene Phosphaalkenes–Synthesis, Structures, and Optical Properties of Heteroaromatic Derivatives and Their Gold Complexes | Zendy

Joshua P. Green | Zendy; Daniel Morales Salazar | Zendy; Arvind K. Gupta | Zendy; Andreas Orthaber | Zendy

Open Access

Golden Age of Fluorenylidene Phosphaalkenes–Synthesis, Structures, and Optical Properties of Heteroaromatic Derivatives and Their Gold Complexes

Author(s) -

Joshua P. Green,

Daniel Morales Salazar,

Arvind K. Gupta,

Andreas Orthaber

Publication year - 2020

Publication title -

the journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.2

H-Index - 228

eISSN - 1520-6904

pISSN - 0022-3263

DOI - 10.1021/acs.joc.0c01336

Subject(s) - steric effects , substituent , benzothiophene , chemistry , pyridine , molecule , acceptor , photochemistry , absorption (acoustics) , stereochemistry , medicinal chemistry , organic chemistry , materials science , thiophene , physics , condensed matter physics , composite material

The substitution of 2,7-dibromo-9-fluorenyl phosphaalkenes with heteroaromatic substituents (bithiophene, benzothiophene, pyridine) offers access to interesting push-pull dye molecules. Steric shielding due to the bulky P-substituent gives marked different reactivities at the 2- and 7-positions, allowing the synthesis of mixed/asymmetric derivatives. Further functionalization via gold(I) coordination was demonstrated and increased the acceptor character, concomitant with a red-shifted absorption.

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