The Efficient Synthesis of Dithieno[3,4-b:3,4-d]thiophene

Title: The Efficient Synthesis of Dithieno[3,4-b:3,4-d]thiophene

Volume: 6 Issue: 6

Author(s): Li Xu, Zhen Wang, Kun Xu, Jianwu Shi and Hua Wang

Affiliation:

Keywords: Dithieno[3,4-b:3',4'-d]thiophene, Synthesis, TMS protection, Sulfidation, Intramolecular cyclization, Crystal structure

Abstract: The efficient synthesis of dithieno[3,4-b:3,4-d]thiophene was improved by the introduction of TMS groups in four synthetic steps including TMS protection, sulfidation, intramolecular cyclization, and TMS removal. The total yield is 55-63% with 3,4-dibromothiophene as starting material. In addition, the crystal structure of (TMS)4-dithieno[3,4-b:3,4- d]thiophene was described.

Cite this article as:

Xu Li, Wang Zhen, Xu Kun, Shi Jianwu and Wang Hua, The Efficient Synthesis of Dithieno[3,4-b:3,4-d]thiophene, Letters in Organic Chemistry 2009; 6 (6) . https://dx.doi.org/10.2174/157017809789124894