Synthesis and Structure of Thiophene, Selenophene, and Related Compounds Carrying Four Phosphoryl Groups

Shigeru Sasaki Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai, Japan

Kazutaka Adachi Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai, Japan

Masaaki Yoshifuji Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai, Japan

Abstract

Dihydrotetraphosphorylthiophene 2 was syntheiszed by the addition of sodium hydrosulfide to 2 equivalents of diphosphorylacetylene 1 followed by cyclization. Oxidation of 2 with mCPBA afforded tetraphosphorylthiophene 3. The corresponding selenium compounds 4 and 5 were analogously synthesized.

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Synthesis and Structure of Thiophene, Selenophene, and Related Compounds Carrying Four Phosphoryl Groups

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Synthesis and Structure of Thiophene, Selenophene, and Related Compounds Carrying Four Phosphoryl Groups

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