An Efficient and Rapid Synthesis of 1,4-Dihydropyrano[2,3-c]Pyran and 1,4-Dihydropyrano[2,3-c]Quinoline Derivatives Using Copper Nanoparticles Grafted on Carbon Microspheres

Kaminwar, Nitishkumar S.; Tekale, Sunil U.; Pokalwar, Rajkumar U.; Kótai, László; Pawar, Rajendra P.

doi:10.1080/10406638.2021.1950194

Cited by 6 publications

(2 citation statements)

References 31 publications

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“…Based on our research in the development of nanostructures 26 – 31 . Many reports recorded on the preparation of pyranoquinolines using different catalysts 10 , 32 – 39 . In this study, the CuMn x O y -GO nanocatalyst was produced through a new strategy (Fig.…”

Section: Resultsmentioning

confidence: 99%

Development of CuMnxOy (x = 2, and y = 4)-GO heterostructure for the synthesis of pyranoquinoline derivatives

Farajollahi

Pesyan

Marjani

et al. 2023

Sci Rep

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The pyranoquinoline derivatives are synthetically important due to their biological properties. In this research, these derivatives were produced through an environmentally friendly method. This method includes the use of CuMnxOy (x = 2, and y = 4)-GO as a nanocatalyst, which is easy to produce, has excellent performance, cost-effectiveness, and recyclability among its features, and also the use of water as a green solvent. Pyranoquinolines through the one-pot, the multi-component reaction between different derivatives of aryl glyoxal, ethyl cyanoacetate, and 4-hydroxyquinoline-2(1H)-one were synthesized using nanocatalyst, K2CO3, and H2O. Also, the structure of the CuMnxOy-GO nanocatalyst was evaluated and confirmed via different analyses. The distinguishing features of this work compared to previous works are easy workup, recyclability of nanocatalyst, facile synthesis process, and provide high yields of products.

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Section: Resultsmentioning

confidence: 99%

Development of CuMnxOy (x = 2, and y = 4)-GO heterostructure for the synthesis of pyranoquinoline derivatives

Farajollahi

Pesyan

Marjani

et al. 2023

Sci Rep

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“…Kaminwar and co-workers [ 90 ] have suggested an updated pathway for the preparation of pyrano-[3,2-c]-quinoline ( 105 ) and dihydro-pyrano-[3,2-c]-pyran ( 106 ) derivatives via MCR system utilising copper nanocatalyst adhered to carbon microspheres (Cu-Np/C). The pyran and quinolines were prepared by Knoevenagel condensation of substituted aldehydes ( 103 ), diones ( 104 / 99 ) and active methylene compounds ( 3 ) in the presence of a water-ethanolic medium (1:1) at 80 °C ( Scheme 37 ).…”

Section: Synthesis Of Pyran Derivativesmentioning

confidence: 99%

Recent Progress in the Multicomponent Synthesis of Pyran Derivatives by Sustainable Catalysts under Green Conditions

2022

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Pyrans are one of the most significant skeletons of oxygen-containing heterocyclic molecules, which exhibit a broad spectrum of medicinal applications and are constituents of diverse natural product analogues. Various biological applications of these pyran analogues contributed to the growth advances in these oxygen-containing molecules. Green one-pot methodologies for synthesising these heterocyclic molecules have received significant attention. This review focuses on the recent developments in synthesising pyran ring derivatives using reusable catalysts and emphasises the multicomponent reaction strategies using green protocols. The advantages of the catalysts in terms of yields, reaction conditions, and recyclability are discussed.

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Tris(2-hydroxyethyl)ammonium lactate an effective and biodegradable catalyst for the preparation of 3,4-dihydropyrano[c]chromene derivatives

Hosseinian,

Soleimani,

Yarahmadi

2024

J IRAN CHEM SOC

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An Efficient and Rapid Synthesis of 1,4-Dihydropyrano[2,3-c]Pyran and 1,4-Dihydropyrano[2,3-c]Quinoline Derivatives Using Copper Nanoparticles Grafted on Carbon Microspheres

Cited by 6 publications

References 31 publications

Development of CuMnxOy (x = 2, and y = 4)-GO heterostructure for the synthesis of pyranoquinoline derivatives

Development of CuMnxOy (x = 2, and y = 4)-GO heterostructure for the synthesis of pyranoquinoline derivatives

Recent Progress in the Multicomponent Synthesis of Pyran Derivatives by Sustainable Catalysts under Green Conditions

Tris(2-hydroxyethyl)ammonium lactate an effective and biodegradable catalyst for the preparation of 3,4-dihydropyrano[c]chromene derivatives

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