A facile and unexpected synthesis of two novel condensed heterocycles: 1,1,4,4-tetramethyl-1H,4H-thieno[3,4-c]thiophene and 1,1,4,4-tetramethyl-1H,4H-selenolo[3,4-c]selenophene

Samuel Braverman, Meir Freund, Israel Goldberg

Research output: Contribution to journalArticlepeer-review

Abstract

The title compounds, 5 and 7, have been synthesized by the action of lithium methoxide on γ,γ-dimethylallenyl thiocyanate and selenocyanate, respectively. A multistep mechanism involving bis-γ,γ-dimethylallenyl disulfide or diselenide, as key intermediates, is suggested.

Original languageEnglish
Pages (from-to)3617-3620
Number of pages4
JournalTetrahedron Letters
Volume21
Issue number37
DOIs
StatePublished - 1980

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