Tetrahedron p. 5685 - 5722 (1987)
Update date:2022-07-30
Topics:
Hudlicky, T.
Sinai-Zingde, G.
Natchus, M. G.
Ranu, B. C.
Papadopolous, P.
Pentalenic acid, 5, and pentalenene, 4, and their C-9 epimers 5a and 4a, respectively, were synthesized using <4+1> and <2+3> cyclopentene annulation methodology.The key steps involved internal cyclopropanation of dienes 23 or cyclopropanation of enone 25
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