NITROGEN ASSISTED ACETAL RING CLEAVAGE. PART II. PREPARATION OF SYNTHONS FOR EBURNAMINE-VINCAMINE ALKALOIDS
The cleavage of cyclic 3-substituted tetrahydropyridine acetals under the modified Polonovski reaction conditions is described.The method was applied to the preparation of a 1-formylindolo(2,3-a)quinolizidine derivative.
Lounasmaa, Mauri,Tolvanen, Arto
p. 1279 - 1284
(2007/10/02)
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