ZnFe<sub>2</sub>O<sub>4</sub> Nano-Catalyzed One-Pot Multi-Component Synthesis of Substituted Tetrahydropyranoquinoline under Neat Ultrasonic Irradiation

Jadhav, Shivaji; Farooqui, Mazahar; Chavan, Pravin; Hussain, Sayyed; Rai, Megha

doi:10.1080/10406638.2020.1825005

Cited by 12 publications

(3 citation statements)

References 21 publications

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“…Through Povarov's inverse-electron-demand hetero Diels-Alder reaction, multi-components such as substituted aromatic aldehydes 223, aromatic amine 224, and 3,4-dihydrofuran 225 were used to synthesise tetrahydroquinoline analogues 226 at 70 0 C under solvent-free ultrasonic irradiation in the presence of bimetallic heterogeneous ZnFe 2 O 4 nano-catalyst reported by Jadhav et al [97] Nowadays, Nano-catalyst ZnFe 2 O 4 shows its importance in chemical synthesis. A reduction in reaction time, simultaneous chemical addition, multi-components, quick 59).…”

Section: One Nitrogen and One Oxygen Containing Heteroatommentioning

confidence: 99%

“…Ali Maleki et al [103] explored the synthesis and application of Fe 3 O 4 @PVAÀ Cu hybrid nanocatalyst for the synthesis of pyrano [2,3-d] pyrimidine derivatives 239 using one-pot threecomponent reaction between barbituric or thiobarbituric acid Scheme 89. Model reaction for the synthesis of THQ analogue [97].…”

Section: Two Nitrogen and One Oxygen Containing Heteroatommentioning

confidence: 99%

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Reusable Nano Catalysed Synthesis of Heterocycles: An Overview

Sonawane¹,

Deore²,

Chavan

2022

ChemistrySelect

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The field of reusable nano‐catalysts has grown rapidly over the last decade. Recently, transition metal catalysed organic reactions have attracted considerable interest from the pharmaceutical and organic chemistry fields. Synthetic procedures based on such heterogeneous nanocatalysts are easier, less expensive, non‐toxic, and eco‐friendly, producing only the most desirable products in higher yields and allowing for easy catalyst separation. Heterogeneous nano‐catalysts were highly preferred over homogeneous catalysts for the synthesis of heterocyclic compounds due to their effective separation processes for both products and catalysts. According to recent studies, nanoparticles (NPs) are commonly used as a heterogeneous catalyst in the production of heterocyclic compounds. Heterogeneous catalysts are widely used in a variety of organic reactions due to their high surface‐to‐volume ratio. Most importantly, after the reaction is complete, easy magnetic separation of the catalyst minimises the requirement for catalyst filtration. Additionally, magnetic NPs, particularly supported magnetic nanocatalysts, have garnered considerable interest in both academic and industrial research due to their effectiveness as alternatives to traditional materials, their ease of separation via an external magnet, and their high degree of chemical stability in a variety of organic and inorganic solvents. To reach its depth, this review is focused on the most recent examples, their preparation, synthetic strategies and recycling studies of highly excited catalytic systems used for the synthesis of heterocyclic compounds.

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Section: One Nitrogen and One Oxygen Containing Heteroatommentioning

confidence: 99%

Section: Two Nitrogen and One Oxygen Containing Heteroatommentioning

confidence: 99%

Reusable Nano Catalysed Synthesis of Heterocycles: An Overview

Sonawane¹,

Deore²,

Chavan

2022

ChemistrySelect

View full text Add to dashboard Cite

show abstract

“…The Jadhav group [142] has synthesized a series of tetrahydropyranoquinolines (THQ) ( 22 ) via an easy and environmentally friendly ultrasound-assisted MCR based on the Povarov's hetero Diels-Alder reaction of substituted aromatic aldehydes ( 1 ), aromatic amines ( 17 ) and furan ( 21 ), in the absence of solvent ( Scheme 10 ). In this case, the reactions were carried out in ultrasound bath (liquid holding capacity of bath, 5.5 L) at 70 °C and 50 Hz of frequency.…”

Section: Ultrasound-assisted Mcrs Under Heterogeneous Catalysismentioning

confidence: 99%