Tetrahedron Letters p. 131 - 134 (1990)
Update date:2022-08-02
Topics:
Jain
Jain
Singh
Anand
Annulation reaction of lactam acetals 1a and b with primary amides provided a facile synthesis of di(1-methylazacycloalkeno)[2,3-b:2',3'-d]pyridines 6(a-i). Dehydrogenation of 6a,b,d formed dipyrrolo[2,3-b:2',3'-d]pyridines 7a,b,d.
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