Iminophosphorane-Mediated Synthesis of 3-(Oxazol-5-yl)indoles: Application to the Preparation of Pimprinine Type Alkaloids

Pedro Molina; Pilar M. Fresneda; Pedro Almendros

doi:10.1055/s-1993-25791

Synthesis 1993; 1993(1): 54-56
DOI: 10.1055/s-1993-25791

short paper

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Iminophosphorane-Mediated Synthesis of 3-(Oxazol-5-yl)indoles: Application to the Preparation of Pimprinine Type Alkaloids

Pedro Molina^* , Pilar M. Fresneda, Pedro Almendros

^*Departamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, E-30071, Murcia, Spain

Abstract

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A number of 3-(2-substituted oxazol-5-yl)indoles have been prepared by aza-Wittig type reaction of iminophosphorane derived from 3-azidoacetyl-1-methylindole with isocyanates and acid chlorides. This methodology has been used also to synthetize five pimprinine analogues.

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