Phosphomolybdic acid supported on Schiff base functionalized graphene oxide nanosheets: Preparation, characterization, and first catalytic application in the multi‐component synthesis of tetrahydrobenzo[
a
]xanthene‐11‐ones
2018 ◽
Vol 54
(3)
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pp. 2289-2299
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2020 ◽
Vol 107
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pp. 110201
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2015 ◽
Vol 7
(9)
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pp. 5528-5537
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2020 ◽
Vol 194
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pp. 108170
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