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Synthesis 2006(18): 3075-3079
DOI: 10.1055/s-2006-942529
DOI: 10.1055/s-2006-942529
PAPER
© Georg Thieme Verlag Stuttgart · New York
Synthesis of a Photochromic Conjugated Polymer Incorporating Spirobenzopyran in the Backbone
Further Information
Received
30 March 2006
Publication Date:
02 August 2006 (online)
Publication History
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.
Keywords
conjugation - cross-coupling - isomerizations - polymers - spiro compounds
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