Syntheses of 6-acylcoumarins via highly regioselective fries rearrangements. Total syntheses of the linear acylated coumarins geijerin and dehydrogeijerin

DOI: 10.1016/S0040-4020(01)90370-9

Source and publish data:

Tetrahedron p. 7581 - 7590 (1992)

Update date:2022-08-04

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Authors:

Cairns, Nicholas

Harwood, Laurence M.

Astles, David P.

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Article abstract of DOI:10.1016/S0040-4020(01)90370-9

Methyl 3-(2-acyloxy-4-methoxyphenyl)propanoates (7), prepared in high yield from 7-methoxycoumarin are key intermediates in general and efficient syntheses of 6-acylcoumarins. Under standard Fries rearrangement conditions (7) undergo highly regioselective

Full text of DOI:10.1016/S0040-4020(01)90370-9

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