RING EXPANSION REACTIONS OF 1,3-DITHIOLANS AND 1,3-DITHIANS. A NEW SYNTHESIS OF DIHYDRO-1,4-DITHIINS AND DIHYDRO-1,4-DITHIEPINS

DOI: 10.1016/S0040-4039(01)90027-9

Source and publish data:

Tetrahedron Letters p. 1621 - 1624 (1984)

Update date:2022-08-04

Topics:

Authors:

Francisco, Cosme G.

Freire, Raimundo

Hernandez, Rosendo

Salazar, Jose A.

Suarez, Ernesto

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Article abstract of DOI:10.1016/S0040-4039(01)90027-9

A mild and convenient method for ring expansion of 1,3-dithiolans and 1,3-dithians to dihydro-1,4-dithiins and dihydro-1,4-dithiepins, respectively, using phenyl selenenyl chloride in methylene chloride is described.A mechanism involving sulphenyl chloride derivatives as intermediates is proposed.

Full text of DOI:10.1016/S0040-4039(01)90027-9

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