
Tetrahedron p. 2773 - 2776 (1989)
Update date:2022-08-04
Topics:
Jansen, Ben J. M.
Schepers, Gert C.
Groot, Aede de
The trans-syn-cis tricyclic system, present in (+/-)-9βH-pimara-7,19-diene (8) was formed via a Diels-Alder reaction of enone aldehyde 2 with 2-(tert-butyldimethylsilyloxy)-3-methyl-1,3-butadiene.The resulting regiospecific silyl enol ether was deformylat
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