Tetrahedron Letters p. 1513 - 1516 (1984)
Update date:2022-08-03
Topics:
Pandit, U.K.
Bieraeugel, H.
Stoit, A.R.
Starting from substitued methylenetetrahydrofolate model (4-(2-N(1)-tosyl-N(3)-methyl-4,4-dimethylimidazolidyl)-3-ketobutanoate), an efficient synthesis of the pentacyclic system corresponding to vindoline is described.
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