Towards the first synthesis of salvianolic acid F: An unexpected intramolecular Diels-Alder cyclisation

DOI: 10.1016/S0040-4039(98)01896-6

Source and publish data:

Tetrahedron Letters p. 8285 - 8286 (1998)

Update date:2022-08-10

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Authors:

Dalla, Vincent

Cotelle, Philippe

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Article abstract of DOI:10.1016/S0040-4039(98)01896-6

The reaction of tetramethylsalvianolic acid F3 with BBr₃ led to the expected salvianolic acid F 2 in 10% yield. 2 underwent Diels-Alder cyclisation to 5 or cyclisation to benzofuran 6 depending on the reaction conditions.

Full text of DOI:10.1016/S0040-4039(98)01896-6

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