Heterocycles p. 449 - 463 (2002)
Update date:2022-08-11
Topics:
Tuan Lormier, Anh
Boyer, Gérard
Faure, Robert
Pierre Galy, Jean
New biacridinyl atropisomers were obtained from symmetric ligand 2,2′-dihydroxy-9,9′-biacridine (4), prepared from 9-chloro-2-methoxyacridine. Alternative O-acylation and alkylation led to different polycycles and to a biacridinyl crown ether. The molecular structures of 2,2′-di(p-chlorobenzoyloxy)-9,9′-biacridinyl (5) and (9,9′-bisacridinyl)-2,2′-dihydroxy-bis-(camphanate) ester (13) were solved by X-Ray crystallography, showing a 'scissor-like' host conformation and guest inclusion of chloroform and acetonitrile. The determination of X-Ray structure of one diastereomer (13) allows to assign the absolute configuration of enantiomerically recovered (aR)-(-)-2,2′-dihydroxy-9,9′-biacridinyl.
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Doi:10.1007/s11172-017-1846-0
(2017)Doi:10.1002/bkcs.10132
(2015)Doi:10.1021/jo9912799
(2000)Doi:10.1038/179988a0
(1957)Doi:10.1002/adsc.201601407
(2017)Doi:10.1081/SCC-120006465
(2002)