SYNTHETIC STUDIES ON INDOLE ALKALOIDS. II. APPLICATIONS OF PHENYLSULFONYLINDOLES ON INTRAMOLECULAR CYCLIZATIONS

DOI: 10.1016/S0040-4039(00)89061-9

Source and publish data:

Tetrahedron Letters p. 3347 - 3350 (1990)

Update date:2022-08-11

Topics:

Authors:

Rubiralta, Mario

Diez, Anna

Vila, Cristina

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Article abstract of DOI:10.1016/S0040-4039(00)89061-9

The synthesis of indolo<2,3-a>quinolizidin-2-one 15 is reported through the potassium tert-butoxide cyclization of N-hydroxyethyl-2-<1-(phenylsulfonyl)-3-indolyl>-4-piperidone ethylene acetal (5) into 3-spiroindolenine intermediate 6.Anhydrous acid treatm

Full text of DOI:10.1016/S0040-4039(00)89061-9

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Product name:N-(2-hydroxyethyl)-2-<1-(phenylsulfonyl)-3-indolyl>-4-piperidone ethylene acetal

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