Quinoline is one of the most widely investigated scaffolds by synthetic chemists because of
its medicinal importance. A wide range of metal-catalyzed, metal-free, multi-step or domino …

Fused tetracyclic systems containing a quinoline nucleus represent an important class of
heterocyclic bioactive natural products and pharmaceuticals because of their significant and …

Abstract Series of 4H-chromen-1, 2, 3, 4-tetrahydropyrimidine-5-carboxylate derivatives 7a–
7zb, 8a–8d and 9a–9d were synthesized and screened for their in vitro anti-mycobacterial …

Chromones are widely recognized as an important class of biologically active compounds of
both natural and synthetic origin. 1 e8 The less known but very useful application of the …

This review covers the chemical reactivity of 3-formylchromones towards condensation
reactions with a variety of carbon and nitrogen nucleophiles. Some chromone derivatives …

An efficient chlorotrimethylsilane-promoted synthetic protocol for the preparation of
functionalized fused β-trifluoromethyl pyridines by cyclization of electron-rich …

A series of 4 H-chromone-1, 2, 3, 4-tetrahydropyrimidine-5-carboxylates derivatives were
synthesized via a three component one-pot condensation of chromone-3-carbaldehyde …

Wells-Dawson heteropolyacids (H6P2W18O62· 24H2O) were used as catalysts in the
Hantzsch-like multicomponent condensation reaction with 3-formylchromones as aldehyde …

A concise and eco-friendly route for the synthesis of highly functionalized bicyclic pyridinium
derivatives (3) via a one-pot reaction of chromone-3-carboxaldehydes (1) and N-benzyl nitro …

Herein we reported a transition metal free strategy for the synthesis of 4-quinolones,
benzopyran derivatives and other fused systems by the domino reaction of 3-benzoyl …