Cu<sup>II</sup> Anchored onto the Magnetic Talc: A New Magnetic Nanostructured Catalyst for the One‐Pot Gram‐Scale Synthesis of 1<i>H</i>‐Pyrazolo[1,2‐b]phthalazine‐5,10‐dione Derivatives

Chalaki, Samaneh Barat Nam; Akhlaghinia, Batool

doi:10.1002/slct.202002099

Cited by 11 publications

(1 citation statement)

References 82 publications

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“…The nitrogen-containing heterocyclic compounds are increasingly used in pharmaceutics, agrochemical, and functional materials [26,27]. There are a number of notable drug molecules among them, including celecoxib, pyrazofurine, viagra and many more similar to this, phthalazine-containing heterocycles are interesting because they exhibit some pharmacological and biological properties [28,29].…”

Section: Introductionmentioning

confidence: 99%

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

Mhaske,

Gadhave,

Dholi

et al. 2023

J Inorg Organomet Polym

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Zinc ferrite (ZnFe 2 O 4 ) nanoparticles were synthesized in the presence of naturally available lemon juice.The synthesized zinc ferrite nanoparticles were characterized by FT-IR, XRD, SEM, EDX, and BET techniques. The zinc ferrite nanoparticles were used for the synthesis of 1H-pyrazolo[1,2-b] phthalazine-5,10-dione derivatives by one-pot coupling reaction of phthalhydrazide, aromatic aldehyde, and malononitrile under conventional re ux condition. This green synthetic approach offers important features like non-toxic substances, maximum yields with a short reaction time, and easy puri cation of a product. It is a highly e cient, cheap, and reusable nanocatalyst.

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Section: Introductionmentioning

confidence: 99%

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

Mhaske,

Gadhave,

Dholi

et al. 2023

J Inorg Organomet Polym

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Atom‐economical Approaches to 1,5‐Benzodiazepines Containing Indole Ring via Fe₃O₄@SiO₂‐PTSA‐catalyzed Multi‐component Domino Reactions

Zhang

Wang

et al. 2020

ChemistrySelect

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Four novel atom-economical approaches for synthesis of 1,5dihydrospiro[benzo[b][1,4]diazepine-2,3'-indole] compounds via three-component or four-component domino reactions have been developed in the presence of a catalytic amount of magnetic nanoparticles (Fe 3 O 4 @SiO 2-PTSA) in ethanol, which provide an efficient one-pot synthesis of 1,5-benzodiazepines with multi-ring system and functional groups containing indole, aryl, ester, acyl and alkyl groups in excellent yields. In a one-pot operation, two new nitrogen heterocycle (indole and diazepine) rings and four new chemical bonds (one CÀ C, two CÀ N and one C=C) were constructed by series of domino reactions. Furthermore, plausible catalytic synthesis reaction mechanisms have been proposed. The advantages of these methods are the green reaction process, the recyclable magnetic catalyst, mild reaction conditions, short reaction time and high yields of products.

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Copper‐Functionalized Silica‐Coated Magnetic Nanoparticles for an Efficient Suzuki Cross‐Coupling Reaction

et al. 2021

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In this study, a new, efficient and inexpensive strategy has been developed based on the heterogeneous copper catalyst for the synthesis of different biaryl compounds via the Suzuki–Miyaura cross‐coupling reaction. In this respect, the core@shell modified Fe3O4@SiO2 magnetic nanoparticles (MNPs) has been prepared by immobilization of aminoguanidine and then the copper (II) ion into the surface of magnetic nanoparticles. After full characterization of the prepared catalyst by various technique such as TEM, SEM, EDX, TGA, XRD, VSM, ICP and FT‐IR, its catalytic activity has been investigated in the synthesis of different biarly compounds through the Suzuki‐Miyaura cross‐coupling reaction. Interestingly, similar to Pd‐based catalysts, this new heterogeneous Cu‐based catalyst can catalyze the Suzuki–Miyaura reaction in solvent free condition with good to excellent yields. Besides, this heterogeneous nano copper catalyst was able to separate from the reaction mixture by easy separation procedures and can reuse more than six runs.

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Cu^II Anchored onto the Magnetic Talc: A New Magnetic Nanostructured Catalyst for the One‐Pot Gram‐Scale Synthesis of 1H‐Pyrazolo[1,2‐b]phthalazine‐5,10‐dione Derivatives

Cited by 11 publications

References 82 publications

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

Atom‐economical Approaches to 1,5‐Benzodiazepines Containing Indole Ring via Fe₃O₄@SiO₂‐PTSA‐catalyzed Multi‐component Domino Reactions

Copper‐Functionalized Silica‐Coated Magnetic Nanoparticles for an Efficient Suzuki Cross‐Coupling Reaction

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CuII Anchored onto the Magnetic Talc: A New Magnetic Nanostructured Catalyst for the One‐Pot Gram‐Scale Synthesis of 1H‐Pyrazolo[1,2‐b]phthalazine‐5,10‐dione Derivatives

Cited by 11 publications

References 82 publications

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

One-Pot, Green Synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by ZnFe2O4 Nanoparticles an Efficient Nanocatalyst

Atom‐economical Approaches to 1,5‐Benzodiazepines Containing Indole Ring via Fe3O4@SiO2‐PTSA‐catalyzed Multi‐component Domino Reactions

Copper‐Functionalized Silica‐Coated Magnetic Nanoparticles for an Efficient Suzuki Cross‐Coupling Reaction

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Cu^II Anchored onto the Magnetic Talc: A New Magnetic Nanostructured Catalyst for the One‐Pot Gram‐Scale Synthesis of 1H‐Pyrazolo[1,2‐b]phthalazine‐5,10‐dione Derivatives

Atom‐economical Approaches to 1,5‐Benzodiazepines Containing Indole Ring via Fe₃O₄@SiO₂‐PTSA‐catalyzed Multi‐component Domino Reactions