A NOVEL SYNTHETIC METHOD OF DIHYDRO-4-PYRONE DERIVATIVES AND ITS APPLICATION TO THE SYNTHESES OF ar-ATLANTONE AND (+/-)-ar-TURMERONE

DOI: 10.1016/S0040-4039(00)94935-9

Source and publish data:

Tetrahedron Letters p. 4727 - 4730 (1985)

Update date:2022-08-05

Topics:

Authors:

Sakai, Takashi

Miyata, Kazuyoshi

Ishikawa, Mutsumi

Takeda, Akira

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Article abstract of DOI:10.1016/S0040-4039(00)94935-9

Reaction of 1,3-dihalo-3-methyl-2-butanone with t-butyl acetoacetate (NaH) gave t-butyl 3,4-dihydro-2,2,6-trimethyl-4-oxo-2H-pyran-5-carboxylate via the Favorskii-type rearrangement.Michael addition of 4-methylphenyllithium (CuI) followed by ring cleavage

Full text of DOI:10.1016/S0040-4039(00)94935-9

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Product name:t-butyl-tetrahydro-2,6,6-trimethyl-2-(4-methylphenyl)-4-oxo-4H-pyran-3-carboxylate

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