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New syntheses of (±)-tashiromine and (±)-epitashiromine via enaminone intermediates.


ABSTRACT: The syntheses of the naturally occurring indolizidine alkaloid (±)-tashiromine and its unnatural epimer (±)-epitashiromine are demonstrated through the use of enaminone chemistry. The impact of various electron-withdrawing substituents at the C-8 position of the indolizidine core on the preparation of the bicyclic system is described.

SUBMITTER: Riley DL 

PROVIDER: S-EPMC5238587 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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New syntheses of (±)-tashiromine and (±)-epitashiromine via enaminone intermediates.

Riley Darren L DL   Michael Joseph P JP   de Koning Charles B CB  

Beilstein journal of organic chemistry 20161202


The syntheses of the naturally occurring indolizidine alkaloid (±)-tashiromine and its unnatural epimer (±)-epitashiromine are demonstrated through the use of enaminone chemistry. The impact of various electron-withdrawing substituents at the C-8 position of the indolizidine core on the preparation of the bicyclic system is described. ...[more]

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