210. Cycloaddition of 2H-Pyran-2-thiones with Nitroso Derivatives. An Unexpected Cycloaddition-Rearrangement Reaction

DOI: 10.1002/hlca.19850680724

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Helvetica Chimica Acta p. 1998 - 2014 (1985)

Update date:2022-08-04

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Authors:

Defoin, Albert

Augelmann, Gerard

Fritz, Hans

Geffroy, Guillaume

Schmidlin, Christian

Streith, Jacques

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Article abstract of DOI:10.1002/hlca.19850680724

Reaction of pyran-2-thiones 4 with nitroso derivatives led surprisingly to type-8 (19) adducts which proved to be isomeric with the initially expected primary Diels-Alder cycloadducts 5.Methyl 2-thioxo-2H-pyran-5-carboxylate (4f), when reacted with nitros

Full text of DOI:10.1002/hlca.19850680724

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