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- W2152632049 endingPage "1351" @default.
- W2152632049 startingPage "1337" @default.
- W2152632049 abstract "Chiral, π-conjugated 3,4-butano-1-phenyl-2,5-bis(2-pyridyl)phosphole derivatives 1 a2,2′ and 1 a3 with chiral trans-1,2-diol moieties and fused pinene derivatives, respectively, were prepared from the corresponding chiral diynes by using the Fagan–Nugent method. Their UV/Vis absorption and chiroptical properties (optical rotation and circular dichroism) were studied. Their behavior as N,P,N chelates towards coordination of CuI and formation of chiral supramolecular assemblies with π-conjugated ditopic dicyano ligands was investigated. Chiral C2-symmetric rectangles that are [2,2]paracyclophane analogues were obtained, as demonstrated by X-ray crystallography. During the course of this study, the first stable water-soluble phosphole derivative (1 a2⋅2 HCl) was prepared. Furthermore, achiral 3,4-butano-1-phenyl-2,5-bis(aza[4]helicene)phosphole 1 a4 was synthesized and displays extended π conjugation. A supramolecular rectangle was obtained by coordination to CuI and assembly with a dicyano stilbene. This coordination-driven supramolecular assembly contains a total of four aza[4]helicene moieties and displays two types of π–π stacking interactions in the solid state, that is, between two helicene moieties and between one helicene and a bridging dicyano ligand. All the supramolecular arrangements are discussed by comparing them with previous work on the parent 3,4-butano-1-phenyl-2,5-bis(2-pyridyl)phosphole." @default.
- W2152632049 created "2016-06-24" @default.
- W2152632049 creator A5023557141 @default.
- W2152632049 creator A5027991232 @default.
- W2152632049 creator A5052954758 @default.
- W2152632049 creator A5057674526 @default.
- W2152632049 creator A5059694696 @default.
- W2152632049 creator A5080786599 @default.
- W2152632049 creator A5084824768 @default.
- W2152632049 creator A5090728133 @default.
- W2152632049 date "2010-12-07" @default.
- W2152632049 modified "2023-10-08" @default.
- W2152632049 title "Chiral and Extended π-Conjugated Bis(2-pyridyl)phospholes as Assembling N,P,N Pincers for Coordination-Driven Synthesis of Supramolecular [2,2]Paracyclophane Analogues" @default.
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