IMPROVED PROCEDURE FOR THE SYNTHESIS OF 6-ALKOXY-2,3-DIHYDRO-6H-PYRAN-3-ONES (2,3-DIDEOXY-DL-PENT-2-ENOPYRANOS-4-ULOSES). NEAT CONVERSION INTO POLYFUNCTIONALIZED CYCLOPENTENONES.

DOI: 10.1016/S0040-4039(01)80725-5

Source and publish data:

Tetrahedron Letters p. 4489 - 4492 (1989)

Update date:2022-08-02

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Authors:

Mucha, Bernd

Hoffmann, H.Martin R.

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Article abstract of DOI:10.1016/S0040-4039(01)80725-5

The glycosidic bond of 6-alkoxy-2,3-dihydro-6H-pyran-3-ones (3) is made advantageously in the presence of catalytic ZnCl2*etherate.A palladium-assisted transformation of 3 affords trans-4-alkoxy-5-hydroxy-2-cyclopenten-1-ones (4) in good yield.

Full text of DOI:10.1016/S0040-4039(01)80725-5

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