Synthesis of Heterocycle-Annelated Naphthyridones with a Bridgehead Nitrogen Atom

Synthesis of [g]-fused [1,6]naphthyridones

When ethyl 2-chloronicotinoate (16) [8] was employed as the starting material, the [g]-fused [1,6]-naphthyridones 14-17 were obtained [9]. (1d).

Scheme 3

Next Page Previous Page Index
nh, 9 May 1996