An unusual and highly efficient access to thieno[2,3-b]-benzothiopyran structures

DOI: 10.1016/S0040-4039(99)00285-3

Source and publish data:

Tetrahedron Letters p. 2529 - 2532 (1999)

Update date:2022-07-29

Topics:

Authors:

Boivin, Jean

Boutillier, Peter

Zard, Samir Z.

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Article abstract of DOI:10.1016/S0040-4039(99)00285-3

Dihydrothieno[2,3-b]-benzothiopyran-4-ones are easily obtained by an intermolecular radical addition to an unactivated olefin using an S-o- fluorophenacyl xanthate followed by a novel, base induced domino cyclisation.

Full text of DOI:10.1016/S0040-4039(99)00285-3

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