ACTIVE MANGANASE DIOXIDE: A REAGENT FOR A BIOMIMETIC CYCLIZATION OF 16β-HYDROXYLATED 22.26-EPIMINOCHOLESTANES TO SPIROSOLANE ALKALOIDS

DOI: 10.1016/S0040-4039(00)93648-7

Source and publish data:

Tetrahedron Letters p. 1931 - 1932 (1980)

Update date:2022-07-30

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Authors:

Adam, G.

Huong, H. Th.

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Article abstract of DOI:10.1016/S0040-4039(00)93648-7

Treatment of the 16β-hydroxylated 22.26-epiminocholestanes 1 - 4 with activated MnO₂ leads in a biogenetically remarkable cyclization directly and in good yields to the corresponding spirosolane alkaloids 5 - 8.

Full text of DOI:10.1016/S0040-4039(00)93648-7

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