The synthesis and chemistry of functionalized furochromones.4. Addition of nitronate anions to 3-bromochromone and 6-bromofurochromone. An expedient route to furo(3',2':6,7)-benzopyrano(2,3-d)-isoxazolones and chromono(2,3-d)isoxazolones

DOI: 10.1016/S0040-4039(00)91842-2

Source and publish data:

Tetrahedron Letters p. 993 - 996 (1992)

Update date:2022-08-04

Topics:

Authors:

Gammill Gammill

Nash Nash

Bell Bell

Watt Watt

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Article abstract of DOI:10.1016/S0040-4039(00)91842-2

Addition of nitronate anions to 3-bromochromone 1 and 6-bromofurochoromone 2 results in the efficient generation of 3-hydroxy-2-(1-(hydroxyimino)alkyl,aryl or carboalkoxy) substituted chromones and the corresponding 6,7-disubstituted furochromones. These

Full text of DOI:10.1016/S0040-4039(00)91842-2

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