Self??assembling chiral metallo??clefts; synthesis and molecular structure of N, N′??bis (12H??benzo [α] xanthen??12??ylidene)??1, 2??ethanediamine zinc (II)??dichloride …
…, F van Bolhuis, BL Feringa, AL Spek
Index: Barf, Tjeerd; Jansen, Johan F. G. A.; Bolhuis, Fre van; Spek, Anthony L.; Feringa, Ben L. Recueil des Travaux Chimiques des Pays-Bas, 1993 , vol. 112, p. 376 - 383
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Citation Number: 8
Abstract
Abstract Bulky ligands for cleft-type metal complexes were synthesized from thio ketones and diamines in yields varying from 20–80%. A molecular structure determination of one ligand N, N′-bis (12H-benzo [a]-xanthen-12-ylidene)-1, 2-propanediamine (19) was performed. A metallocleft was constructed by a self-assembling process with zinc (II) chloride. A crystallographic study of this zinc complex (24) revealed surprisingly that an ...
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