Novel ZrOCl<sub>2</sub>·8H<sub>2</sub>O-Catalysed One-Pot Multicomponent Synthesis of 9,10-Dihydro-8H-benzo[a]xanthen-11(12H)-one Derivatives

<table>Proposed mechanism for the condensation reaction of aldehydes, <i>β</i>-naphthol, and 5,5-dimethylcyclohexane-1,3-dione.</table>

Organic Chemistry International

sch2

Scheme 2

Scheme 2: Novel ZrOCl<sub>2</sub>·8H<sub>2</sub>O-Catalysed One-Pot Multicomponent Synthesis of 9,10-Dihydro-8H-benzo[a]xanthen-11(12H)-one Derivatives 

Organic Chemistry International

Novel ZrOCl2·8H2O-Catalysed One-Pot Multicomponent Synthesis of 9,10-Dihydro-8H-benzo[a]xanthen-11(12H)-one Derivatives

Scheme 2

Novel ZrOCl₂·8H₂O-Catalysed One-Pot Multicomponent Synthesis of 9,10-Dihydro-8H-benzo[a]xanthen-11(12H)-one Derivatives