Highly efficient solvent-free synthesis of novel pyranyl pyridine derivatives via β-enaminones using ZnO nanoparticles

Siddiqui, Zeba N.; Ahmed, Nayeem; Farooq, Farheen; Khan, Khaliquz Zaman

doi:10.1016/j.tetlet.2013.04.072

Cited by 28 publications

(14 citation statements)

References 20 publications

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“…Siddiqui et al [131] demonstrated the catalytic efficiency of ZnO-nanoparticles for the efficient synthesis of a series of novel pyridine derivatives (76,77,78,79,80) via a sequential three-component reaction of β-enaminones (73), ammonium acetate (7) and various active methylene compounds (16,17,17a,43,57,67a,67aa,74) under solvent-free conditions at 70 °C. Nano-ZnO was recovered easily and recycled six times without significant loss in catalytic activity (Scheme 10).…”

Section: Synthesis Of Structurally Diverse Pyridine Derivativesmentioning

confidence: 99%

Recent developments on nano-ZnO catalyzed synthesis of bioactive heterocycles

Banerjee

2017

J Nanostruct Chem

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Last decade has seen tremendous applications of nano-ZnO as a mild, cheap, efficient, commercially available, environmentally benign, non-toxic, reusable, heterogeneous catalyst for the various organic transformations. The present review summarizes the applications of nano-ZnO as an efficient heterogeneous catalyst for the synthesis of diverse biologically relevant heterocycles reported so far. Graphical abstract Nano

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Section: Synthesis Of Structurally Diverse Pyridine Derivativesmentioning

confidence: 99%

Recent developments on nano-ZnO catalyzed synthesis of bioactive heterocycles

Banerjee

2017

J Nanostruct Chem

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“…3-Aza-1,5-enynes 250 are prone to undergo cyclization reaction to give pyridine derivatives, although most of the process involves metal catalyst for cyclization [156][157][158][159]. Recently, Xin et al [160] have reported an efficient metal-free process for synthesis of pyridine derivatives 251 under mild reaction condition in two easy steps.…”

Section: Scheme 70mentioning

confidence: 99%

Transition metal-free one-pot synthesis of nitrogen-containing heterocycles

et al. 2015

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One-pot heterocyclic synthesis is an exciting research area as it can open routes for the development of otherwise complex transformations in organic synthesis. Heterocyclic compounds show wide spectrum of applications in medicinal chemistry, chemical biology, and materials science. These heterocycles can be generated very efficiently through highly economical and viable routes using one-pot synthesis. In particular, the metal-free one-pot synthetic protocols are highly fascinating due to several advantages for the industrial production of heterocyclic frameworks. This comprehensive review is devoted to the transition metal-free one-pot synthesis of nitrogen-containing heterocycles from the period 2010-2013.

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“…Enaminones are versatile precursors that have been utilized extensively as building blocks in organic synthesis [3][4][5][6][7][8][9][10][11][12] , such compounds are synthetic precursors for the synthesis of a broad diverse of naturally occurring alkaloids 13 and nitrogen-containing heterocycles 14 .…”

Section: Introductionmentioning

confidence: 99%

Syntheses of Enaminone-Based Heterocyclic Compounds and Study their Biological Activity

Azab¹,

Break²,

El-Zahrani³

2016

Orient. J. Chem

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We herein reported the utility of 3-(3-(dimethylamino)acryloyl)-2H-chromen-2-one (2), as a versatile precursor for the synthesis of some new azole systems of possible biological activities. The structure of the newly synthesized compounds has been confirmed by IR, 1 H NMR, mass spectral and elemental analysis. Furthermore, some selected compounds were screened in vitro for their anti-microbial activities. The results declared that most of the synthesized compounds have high anti-microbial activity.

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Highly efficient solvent-free synthesis of novel pyranyl pyridine derivatives via β-enaminones using ZnO nanoparticles

Cited by 28 publications

References 20 publications

Recent developments on nano-ZnO catalyzed synthesis of bioactive heterocycles

Recent developments on nano-ZnO catalyzed synthesis of bioactive heterocycles

Transition metal-free one-pot synthesis of nitrogen-containing heterocycles

Syntheses of Enaminone-Based Heterocyclic Compounds and Study their Biological Activity

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