The generation of 2,3-dihydro-2,3-bis-(methylene)thiophenes from 4,6-dihydrothieno[3,4-b]thiophene 5,5-dioxides

DOI: 10.1016/S0040-4039(00)88841-3

Source and publish data:

Tetrahedron Letters p. 1491 - 1494 (1990)

Update date:2022-08-03

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Authors:

Crew Crew

Jenkins Jenkins

Storr Storr

Yelland Yelland

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Article abstract of DOI:10.1016/S0040-4039(00)88841-3

On heating in sulpholane 4,6-dihydrothieno[3,4-b]thiophene 5,5-dioxides give 2,3-dihydro-2,3-bis(methylene)thiophenes which can be intercepted in Diels-Alder reactions. Sulphur dioxide is a very efficient trap for these thiophene xylylenes giving the cycl

Full text of DOI:10.1016/S0040-4039(00)88841-3

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