Role of entropy in supramolecular photochirogenesis: Enantiodifferentiating photoisomerization of cyclooctenes in chiral sensitizer-immobilized MCM-41 cavities

Ryo Maeda, Takehiko Wada, Atsushi Kusaka, Tadashi Mori, Masakazu Iwamoto, Yoshihisa Inoue

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

To examine the effects of confinement, or low-entropy environments, we employed the mesoporous silicate MCM-41 modified with optically active benzenetetracarboxylates as chiral reaction media to effect the enantiodifferentiating photoisomerization of (Z)-cyclooctene and (Z,Z)-1,5-cyclooctadiene. The ee of the (E)-isomer produced and its temperature dependence behavior in MCM-41 were completely different from those observed in homogeneous solutions. Immobilizing the sensitizer in MCM-41 reduced the contribution of the entropy factor.

Original languageEnglish
Pages (from-to)1390-1392
Number of pages3
JournalPhotochemical and Photobiological Sciences
Volume10
Issue number9
DOIs
Publication statusPublished - 2011 Sep

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Fingerprint Dive into the research topics of 'Role of entropy in supramolecular photochirogenesis: Enantiodifferentiating photoisomerization of cyclooctenes in chiral sensitizer-immobilized MCM-41 cavities'. Together they form a unique fingerprint.

Cite this