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Synthesis, Structures and Properties of Angular cis ‐Benzothiazinophenothiazine Derivatives
Author(s) -
Zhang Qianyu,
Zhang Gang
Publication year - 2021
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202101366
Subject(s) - dication , sulfone , chemistry , phosphorescence , sulfide , photochemistry , triphenylene , crystallography , fluorescence , polymer chemistry , organic chemistry , molecule , physics , quantum mechanics
Angular sulfide and sulfone bridged cis ‐benzothiazinophenothiazine derivatives with phenyl and benzoyl attached at the amino positions were synthesized and characterized. Crystallographic analyses revealed their twisted structures. The phenyl substituted sulfone bridged benzothiazinophenothiazine demonstrated bright fluorescence emission in both solution and crystalline state. The benzoyl substituted benzothiazinophenothiazine and the sulfone derivatives showed room‐temperature phosphorescence in the crystalline states. The electron‐rich phenyl substituted cis ‐benzothiazinophenothiazine compound could be chemically oxidized to monocation and dication with gradually planarized structures depending on the oxidation states.