Synthesis of annulated oligothiophenes

…, ES Balenkova, KY Chernichenko…

Index: Nenajdenko; Balenkova; Chernichenko; Vshivenko Russian Chemical Bulletin, 2012 , vol. 61, # 7 p. 1456 - 1462 Izv. Akad. Nauk, Ser. Khim., 2012 , # 7 p. 1441 - 1447,7

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Citation Number: 4

Abstract

Abstract Reactions of 1, 1-di (2-naphthyl)-2, 2-dichloroethene and 1, 1-di (2-benzothienyl)-2, 2-dichloroethene with sulfur at 220–225° C resulted in hitherto unknown oligothiophenes. Tetrathio [6] helicene was synthesized from 1, 1-di (3-benzothienyl)-2, 2-dichloroethene. Preparative pathway to helicene involving intramolecular ring closure of dithiol derived from 1, 1-di-(3-benzothienyl)-2, 2-dichloroethene was developed as an alternative to high ...

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