One-step synthesis of [1]benzothieno[3,2-b][1]benzothiophene from o-chlorobenzaldehyde

Masahiko Saito, Itaru Osaka, Eigo Miyazaki, Kazuo Takimiya, Hirokazu Kuwabara, Masaaki Ikeda

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Simple one-step synthesis of [1]benzothieno[3,2-b][1]benzothiophene (BTBT) from commercially available o-chlorobenzaldehyde is reported. The procedure is also applicable to the synthesis of dinaphtho[2,3-b:2′,3′-f] thieno[3,2-b]thiophene (DNTT).

Original languageEnglish
Pages (from-to)285-288
Number of pages4
JournalTetrahedron Letters
Issue number2
Publication statusPublished - 2011 Jan 12


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