Tetrahedron Letters p. 3653 - 3656 (1994)
Update date:2022-09-26
Topics:
Majewski, Marek
Lazny, Ryszard
Synthesis of tropane alkaloids darlingine, chalcostrobamine and isobellendine both in the racemic form and as unnatural enantiomers is described. Enantiomselective deprotonation of tropinone, which proceeded with ca 90% ee, was the key step in each of the syntheses. Enantioselectivity was increased in the presence of LiCl.
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