Akihiro Tsurusaki, Makoto Nakamura, Akihiro Komura, Ken Kamikawa
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Synthesis and Properties of Aryl- and Amino-Substituted Dibenzo[b,e]phosphindolizines.
Dibenzo[b,e]phosphindolizine oxides with five different aryl groups and a diphenylamino group at the 10-position are synthesized by the Suzuki-Miyaura cross-coupling reaction and the Buchwald-Hartwig amination reaction of 10-chlorodibenzo[b,e]phosphindolizine. The molecular structures and properties of the products are elucidated by X-ray crystallographic analysis, UV-vis spectroscopy, and electrochemical analysis. Dibenzo[b,e]phosphindolizines with p-(diphenylamino)phenyl and diphenylamino groups have smaller HOMO-LUMO gaps and higher HOMO energy levels than derivatives with methoxy and trifluoromethyl groups and without an amino group. The substituent effects are also investigated by theoretical calculations.
期刊介绍:
ChemPlusChem is a peer-reviewed, general chemistry journal that brings readers the very best in multidisciplinary research centering on chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies.
Fully comprehensive in its scope, ChemPlusChem publishes articles covering new results from at least two different aspects (subfields) of chemistry or one of chemistry and one of another scientific discipline (one chemistry topic plus another one, hence the title ChemPlusChem). All suitable submissions undergo balanced peer review by experts in the field to ensure the highest quality, originality, relevance, significance, and validity.