Syntheses of Novel Planar Metacyclophanes by Claisen-Schmidt Condensation and Thermal Stabilities of Their Photoisomers

Author(s): Ken Ishikawa, Hiroshi Katagiri, Kazuo Tsujimoto, Yoshihiro Ohba.

Journal Name:Letters in Organic Chemistry

Volume 9 , Issue 10 , 2012

Abstract:

The novel metacyclophanes with chalcone moieties were synthesized by Claisen-Schmidt condensation. These α,β-unsaturated ketones were photoisomerized from the all-trans configuration to the partial trans configuration by 365 nm light irradiation, and then, these cis photoisomers were thermally reversed

Keywords: α, β-unsaturated ketone, Aldol reaction, chalcone, Claisen-Schmidt condensation, metacyclophane, photoisomerization

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Article Details

VOLUME: 9
ISSUE: 10
Year: 2012
Page: [701 - 705]
Pages: 5
DOI: 10.2174/157017812803901971
Price: $58