Research Letter

Three-Component One-Pot Synthesis of Novel Benzo[ 𝑏 ]1,8-naphthyridines Catalyzed by Bismuth(III) Chloride

Table 1

One-pot synthesis of benzo[b]1,8-naphthyridines.

EntryRR1R2 𝑃 𝑟 o d u c t a Yield ( % ) b

1HHH4a93
2CH3HH4b95
3OCH3HH4c95
4ClHH4d97
5CH3CH3H4e93
6HHCH34f95
7HHOCH34g96
8HHCl4h96

a A l l the products were characterised by IR, 1 H NMR, and mass spectra.
b Y i e l d s of isolated products.