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Synthesis 1999; 1999(2): 326-329
DOI: 10.1055/s-1999-3386
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Iminophosphorane-Mediated Synthesis of the Alkaloid Cryptotackieine

P. Molina* , P. M. Fresneda, S. Delgado
  • *Departamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, E-30071 Murcia, Spain; Fax +34(9 68)36 41 49; E-mail: pmolina@fcu.um.es
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Publication Date:
31 December 1999 (online)

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A new synthesis of the alkaloid cryptotackieine based on the stepwise formation of the pyridine and indole ring is described. The key step, formation of the appropriate 3-arylquinoline, involves a Staudinger/aza-Wittig/electrocyclic ring-closure process.

Staudinger reaction - aza-Wittig reaction - electrocyclic ring-closure - cryptotackieine - microwave-promoted methylation

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