Chem. J. Chinese Universities ›› 1985, Vol. 6 ›› Issue (9): 813.

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Synthesis of Spiro-di-ο-Methylene Thiophene and Cyclo-di-ο-Methylene Thiophene

He Canxin1, Wiseman2   

  1. 1. Department of Chemistry, Nanjing Teachers University, Nanjing;
    2. Department of Chemistry, University, of Michigan, U.S.A.
  • Received:1984-05-23 Online:1985-09-24 Published:1985-09-24

Abstract: Degradation of 3-methyl-2-thenyltrimethylammonium hydroxide generates 2,3-dimethylene-2, 3-dihydrothiophene which can be dimerizcd to form spiro-di-ο-methy lenethiophene (Ⅰ),cyclo-di-ο-methylenethiophene(Ⅱ) and poly-ο-methylene-thiophene(Ⅲ).

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