Journal of Organic Chemistry p. 4291 - 4293 (1989)
Update date:2022-07-29
Topics:
Bihovsky, Ron
Kumar, Mudubagilu Udaya
Ding, Shuji
Goyal, Arun
2,3-Dihydrofuran (3a) and 3,4-dihydro-2H-pyran (3b) condense with a variety of β-keto esters and cyclic or acyclic β-diketones (or their enol tautomers) in the presence of trifluoroacetic acid, to form 2-(tetrahydrofuran-2-yl)-1,3-dicarbonyl (6) and 2-(te
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