Ring-opening of 4H-thiapyran-4-thiones. A synthesis of 6a-thiathiophthene

J. G. Dingwall; D. H. Reid; J. D. Symon

doi:10.1039/C2969000466A

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Ring-opening of 4H-thiapyran-4-thiones. A synthesis of 6a-thiathiophthene

J. G. Dingwall, D. H. Reid and J. D. Symon

Abstract

4H-Thiapyran-4-thiones are ring-opened by nucleophiles in dimethyl sulphoxide or NN-dimethylformamide giving intermediates which are oxidised to 6a-thiathiophthenes or 3-acylmethylene-1,2-dithioles.

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DOI: https://doi.org/10.1039/C2969000466A
Article type: Paper

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J. Chem. Soc. D, 1969, 466a-466a

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Ring-opening of 4H-thiapyran-4-thiones. A synthesis of 6a-thiathiophthene

J. G. Dingwall, D. H. Reid and J. D. Symon, J. Chem. Soc. D, 1969, 466a DOI: 10.1039/C2969000466A

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Journal of the Chemical Society D: Chemical Communications

Ring-opening of 4H-thiapyran-4-thiones. A synthesis of 6a-thiathiophthene

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Ring-opening of 4H-thiapyran-4-thiones. A synthesis of 6a-thiathiophthene

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