Heterocyclic synthesis by C-C bond formation. Tetrahydrofuran and tetrahydropyran synthesis via oxonium ion-mediated cyclisation reactions

DOI: 10.1016/S0040-4039(97)10294-5

Source and publish data:

Tetrahedron Letters p. 8599 - 8602 (1997)

Update date:2022-08-03

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Authors:

Craig, Donald

King, N. Paul

Shaw, Antony N.

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Article abstract of DOI:10.1016/S0040-4039(97)10294-5

Dimethyl(methylthio)sulfonium tetrafluoroborate triggers ionisation and cyclisation of hemithioacetals 3 to give tetrahydrofurans 8-11 in good yields and stereoselectivities. The homologous sulfone analogues 17 give tetrahydropyrans on treatment with ethy

Full text of DOI:10.1016/S0040-4039(97)10294-5

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