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Article << Previous     |     Next >>   Contents Vol 59(1)

Synthesis of Azobenzenophanes with a Large Molecular Cavity

Perumal Rajakumar A B, Beeran Senthilkumar A, Kannupal Srinivasan A

A Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India.
B Corresponding author. Email: perumalrajkumar2003@yahoo.co.in
 
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Abstract

The design and synthesis of four large-cavity azobenzenophanes, capable of forming photochemically controllable complexes with organic guest molecules, are described. These azobenzenophanes, possessing m-terphenyl, aromatic carbonyl, and chiral BINOL spacers, were synthesized from the corresponding bisphenols and dibromides using simple O-alkylation methodology. A preliminary photochemical study was carried out on the aromatic carbonyl spacer containing azobenzenophane, and the isosbestic points for the cis–trans isomerization process appeared at 319 and 419 nm.

   
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