An Efficient Protocol for the Synthesis of Quinoxaline Derivatives at Room Temperature Using Recyclable Alumina-Supported Heteropolyoxometalates

Table 1

Catalyst nomenclature.

Entry	Catalyst	Nomenclature-supported catalyst
1	Alumina cylinder	Al
3	FeHPMo11VO40	AlFeMoVP
4	Cu2H2PMo11VO40	AlCuMoVP