Tetrahedron Letters p. 6755 - 6758 (1992)
Update date:2022-08-02
Topics:
Williams
Fegley
The asymmetric synthesis of (S)-(-)-cucurbitine in greater than 98% ee is described. The key step of the synthesis involves 1,3-dipolar cycloaddition of azomethine ylide (1) to α,β-dehydrolactone (3) to give pyrrolidine (6) as a single diastereomer.
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Doi:10.1002/pola.27394
(2014)Doi:10.1039/c1nj20206e
(2011)Doi:10.1055/s-0030-1261185
(2011)Doi:10.1515/znb-2011-0911
(2011)Doi:10.1021/jo201692x
(2011)Doi:10.1007/BF00958567
(1991)
