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Improved Synthesis of 2,2'-dibromo-9,9'-spirobifluorene and Its 2,2'-bisdonor-7,7'-bisacceptor-substituted Fluorescent Derivatives

Improved Synthesis of 2,2'-dibromo-9,9'-spirobifluorene and Its 2,2'-bisdonor-7,7'-bisacceptor-substituted Fluorescent Derivatives

Chih-Long Chiang, Ching-Fong Shu, Chin-Ti Chen

Org Lett. 2005 Aug 18;7(17):3717-20.

PMID: 16092858

Abstract:

Pure 2,2'-Dibromo-9,9'-spirobifluorene was synthesized by a method that did not involve troublesome dibromination of 9,9'-spirobifluorene or Sandmeyer reaction of 2,2'-diamino-9,9'-spirobifluorene. A series of donor-acceptor orthogonally substituted 9,9'-spirobifluorene was subsequently prepared showing rich variation of fluorescence in solution and in solid state. [reaction: see text]

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP159660	9,9′-Spirobifluorene		159-66-0	Price

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