Citation: Xiu Fang LIU, Xue Hong LUO, Han Sheng XU. STUDIES ON CROWN ETHER CYANINE DYES(Ⅺ)THE SYNTHESIS OF BENZOTELLURAZOLE CROWN ETHER CYANINE DYES[J]. Chinese Chemical Letters, ;1993, 4(12): 1043-1046. shu

STUDIES ON CROWN ETHER CYANINE DYES(Ⅺ)THE SYNTHESIS OF BENZOTELLURAZOLE CROWN ETHER CYANINE DYES

Department of Chemistry, Wuhan University, Wuhan 430072

Received Date: 29 May 1993

Fund Project: The authors gratefully acknowlege support for this research by a doctoral special grant (No.9248608) from the State of Education Commission.

Three methods for synthesis of benzotellurazole crown ether (6) are described. The cyanine dye (8) can be easily obtained by treating (6) with CH₃I and CH (OEt)_a.
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