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Control of optically active structure of thioether‐phthalocyanine aggregates by chiral Pd(II)‐BINAP complexes in toluene and at the toluene/water interface by Kenta Adachi; Kenji Chayama; Hitoshi Watarai is a Chemistry article available to read on EtoBox.

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## Abstract The Pd(II)‐2,2′‐bis(diphenylphosphino)‐1,1′‐binaphthyl (BINAP)‐mediated chiral assembly of thioether‐derivatised phthalocyanatomagnesium(II) compounds (MgPc(SR)~8~, SR is benzylthio (SBz) or benzhydrylthio (Bh)) was formed in toluene and at the toluene/water interface, and investigated by means of UV‐Vis absorption and circular dichroism (CD) spectroscopy combined with the centrifugal liquid‐membrane (CLM) devise. Interfacial tension measurements indicated that, in the presence of PdSO~4~ in the aqueous phase, BINAP ligand adsorbed as a monolayer forming Pd(II)BINAP^2+^ complex at the toluene/water interface. UV‐Vis absorption spectrum of MgPc(SR)~8~ in the Q‐band region was blue‐shifted in toluene upon addition of [Pd(II)BINAP]Cl~2~, but red‐shifted at the toluene/water interface when Pd(II)BINAP^2+^ was formed at the interface. These results suggested that MgPc(SR)~8~‐Pd(II)BINAP complex formed __H__‐aggregate (face‐to‐face type) in toluene solution and __J__‐aggregate (end‐to‐end type) at the toluene/water interface, respectively. Moreover, the specific bisignate CD spectral pattern in both systems indicated that the aggregates of MgPc(SR)~8~‐Pd(II)BINAP complexes we

Who reads Control of optically active structure of thioether‐phthalocyanine aggregates by chiral Pd(II)‐BINAP complexes in toluene and at the toluene/water interface?

Author

Kenta Adachi; Kenji Chayama; Hitoshi Watarai

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0899-0042)

Published

2006

Language

EN

Field

Chemistry (Physical Sciences)