Tetrahedron Letters p. 2501 - 2504 (1990)
Update date:2022-08-02
Topics:
Boivin, J.
Silva, E. da
Ourisson, G.
Zard, S. Z.
Radical decarboxylation of isolongifolic acid 3a affords in good yield the thio-ether 4 through a reaction involving a clean 1,5-transannular hydrogen shift.The thio-ether 4 was further converted in almost quantitative yield into the olefin 7 through sequential oxidation-elimination.
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