TETRAHYDROTHIOPYRAN-4-ONE. A USEFUL 5 C SYNTHON FOR THE SYNTHESIS OF 3-CYCLOPENTENONES

DOI: 10.1246/cl.1984.833

Source and publish data:

Chemistry Letters p. 833 - 836 (1984)

Update date:2022-08-03

Topics:

Authors:

Matsuyama, Haruo

Miyazawa, Yasuyuki

Takei, Yuji

Kobayashi, Michio

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Article abstract of DOI:10.1246/cl.1984.833

2-Alkyl-3-cyclopentenones were prepared in moderate yields starting from tetrahydrothiopyran-4-one by the one-pot Ramberg-Baecklung reaction of 6-alkyl-1,4-dioxa-8-thiaspiro<4.5>decane-8,8-dioxides, followed by acid catalyzed de-dioxolanation.

Full text of DOI:10.1246/cl.1984.833

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