Immobilized TiO2 nanoparticles on carbon nanotubes: an efficient heterogeneous catalyst for the synthesis of chromeno[b]pyridine derivatives under ultrasonic irradiation

PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation

An efficient four-component synthesis of benzopyranopyridines is described by one-pot condensation of salicylaldehydes, thiols and 2 equiv of malononitrile with nano-PbWO4 as a robust and reusableheterogeneous catalyst under ultrasonic irradiation. Lead tungstate (PbWO4) nanostructures have been synthesized via a sonochemical method based on the reaction between l...

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PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation

An efficient four-component synthesis of benzopyranopyridines is described by one-pot condensation of salicylaldehydes, thiols and 2 equiv of malononitrile with nano-PbWO4 as a robust and reusableheterogeneous catalyst under ultrasonic irradiation. Lead tungstate (PbWO4) nanostructures have been synthesized via a sonochemical method based on the reaction between l...

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nano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines

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Magnetic Fe3O4 nanoparticles as a highly efficient catalyst for the synthesis of imidazoles under ultrasound irradiation

To be fairly general and catalyst is easily separated by magnetic devices and can be reused without any apparent loss of activity for the reaction. Fe3O4 nanoparticles were prepared by chemical coprecipitation method and was found to be a mild and effective catalyst for the efficient, one-pot, three-component synthesis of 2,4,5-trisubstituted imidazoles at room temperature under ultrasound irra...

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Magnetic Fe3O4 nanoparticles as a highly efficient catalyst for the synthesis of imidazoles under ultrasound irradiation

To be fairly general and catalyst is easily separated by magnetic devices and can be reused without any apparent loss of activity for the reaction. Fe3O4 nanoparticles were prepared by chemical coprecipitation method and was found to be a mild and effective catalyst for the efficient, one-pot, three-component synthesis of 2,4,5-trisubstituted imidazoles at room temperature under ultrasound irra...

متن کامل

Immobilized TiO2 nanoparticles on carbon nanotubes: an efficient heterogeneous catalyst for the synthesis of chromeno[b]pyridine derivatives under ultrasonic irradiation

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PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation

PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation

nano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines

Magnetic Fe3O4 nanoparticles as a highly efficient catalyst for the synthesis of imidazoles under ultrasound irradiation

Magnetic Fe3O4 nanoparticles as a highly efficient catalyst for the synthesis of imidazoles under ultrasound irradiation

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