Synthesis of a Photochromic Conjugated Polymer Incorporating Spirobenzopyran­ in the Backbone

Jinhua Yang; Man-Kit Ng

doi:10.1055/s-2006-942529

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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;

Abstract

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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.

Keywords

conjugation - cross-coupling - isomerizations - polymers - spiro compounds

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References

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Synthesis of a Photochromic Conjugated Polymer Incorporating Spirobenzopyran­ in the Backbone

Synthesis of a Photochromic Conjugated Polymer Incorporating Spirobenzopyran in the Backbone