Tetrahedron Letters p. 7173 - 7176 (1989)
Update date:2022-08-30
Topics:
Jacobi, Peter A.
Blum, Charles A.
DeSimone, Robert W.
Udodong, Uko E. S.
(-)-Norsecurinine (1a) has been prepared in a stereospecific fashion beginning with the acetylenic oxazole 18.Diels-Alder cyclization of 18 afforded the furanoketone 19, which was transformed in five steps to the butenolide mesylate 24.Transannular alkyla
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