INTRAMOLECULAR LEWIS-ACID PROMOTED (2+2) CYCLOADDITIONS: AN EFFICIENT TOTAL SYNTHESIS OF (+/-)-CORONAFACIC ACID VIA AN INTERNAL DIELS-ALDER REACTION.

DOI: 10.1016/S0040-4039(01)90538-6

Source and publish data:

Tetrahedron Letters p. 2735 - 2738 (1981)

Update date:2022-08-05

Topics:

Authors:

Jung, Michael E.

Halweg, Kim M.

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Article abstract of DOI:10.1016/S0040-4039(01)90538-6

Internal (2+2) cycloaddition of the ester 7 gave the cyclobutene 8 in fair yield; cyclization of the readily derived trienone 4 and hydrolysis produced coronafacic acid in 7percent overall yield.

Full text of DOI:10.1016/S0040-4039(01)90538-6

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