Journal of the American Chemical Society p. 5384 - 5392 (1991)
Update date:2022-08-03
Topics:
Jacobi, Peter A.
Blum, Charles A.
DeSimone, Robert W.
Udodong, Uko E. S.
(-)-Norsecurinine (2a) has been prepared in a stereospecific fashion with the acetylenic oxazole 39 as the starting material. Diels-Alder cyclization of 39 afforded the furano ketone 45 that was transformed in five steps to the butenolide mesylate 52. Tra
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