Synthesis 2006(18): 3075-3079  
DOI: 10.1055/s-2006-942529
PAPER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of a Photochromic Conjugated Polymer Incorporating Spirobenzopyran­ in the Backbone

Jinhua Yang, Man-Kit Ng*
Department of Chemistry, University of Rochester, Rochester, NY 14627, USA
Fax: +1(585)2760205; e-Mail: ng@chem.rochester.edu;
Further Information

Publication History

Received 30 March 2006
Publication Date:
02 August 2006 (online)

Abstract

Photochromic conjugated polymer with photochemically isomerizable spirobenzopyran (SP) moiety as part of the conjugated backbone was synthesized. Upon irradiation with UV light of 365 nm, a new absorption band appeared above 500 nm due to the formation of the merocyanine (MC) form, which corresponds to a highly conjugated structure.