Graphite oxide catalyzed one-pot synthesis of highly functionalized spirodibenzo[1,4]diazepine derivatives in aqueous ethanol medium

Sarkar, Rajib; Dam, B.; Kyndiah, Lenida; Sarkar, Fillip Kumar; Gajurel, Sushmita; Pal, Amarta Kumar

doi:10.1039/d2gc00194b

Cited by 5 publications

(1 citation statement)

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“…graphite oxide, graphitic carbon nitride, activated carbon, and carbon nanotubes, which have been widely used in organic synthesis. 7,9 Among others, graphitic carbon nitride (g-C 3 N 4 ) is a metal-free polymer, synthesized by thermal polymerization of easily accessible and cheap starting materials like urea. 3 a ,6 b ,7,10 Graphitic carbon nitride (g-C 3 N 4 ) absorbs light in the visible region (a band gap of 2.7 eV; λ max ∼460 nm).…”

Section: Introductionmentioning

confidence: 99%

Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions

2022

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Section: Introductionmentioning

confidence: 99%

Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions

2022

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Microwave‐Assisted Synthesis of Spiro Heterocyclic Scaffolds Using Graphite Oxide as a Heterogeneous Carbocatalyst and Study of their Anti‐Microbial Activities

Paul,

Goswami,

Chakravarty

et al. 2024

ChemistrySelect

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Even though an astonishing variety of spirooxindole derivatives has been synthesized until now, the look for rapid, highly efficacious, environmental‐friendly and more skilful methods is yet an ongoing challenge. Here, we present a microwave‐assisted synthetic approach for the one‐pot synthesis of spirooxindole‐pyrimidine and spiro‐chromeno indoline‐trione derivatives in water using graphite oxide (GO) as a charismatic heterogeneous metal‐free carbocatalyst.Microwave‐assisted synthesis reduces the reaction times from hours (conventional heating) to minutes. The use of a heterogeneous catalyst allows for efficient recovery and reusability up to eight cycles without losing much of its effectiveness, thereby enhancing sustainability. This method offers high product yields of diverse substrates with low catalyst loading and simple work‐up and catalyst handling. In addition, the antimicrobial activities for some randomly taken compounds have also been studied against gram positive bacteria Staphylococcos aureus (MTCC96) and gram negative bacteria Escherichia coli(MTCC730).

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Palladium nanoparticles supported on reduced graphene oxide (Pd@rGO): an efficient heterogeneous catalyst for Suzuki–Miyaura, Heck–Matsuda and Double Suzuki–Miyaura cross-coupling reactions

Sarkar

Gajurel

et al. 2023

New J. Chem.

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Graphite oxide catalyzed one-pot synthesis of highly functionalized spirodibenzo[1,4]diazepine derivatives in aqueous ethanol medium

Abstract: In this work, graphite oxide (GO) was developed from cheap and readily available graphite powder and used as a green heterogeneous carbocatalyst towards the synthesis of spirodibenzo[1,4]diazepine derivatives via one-pot...

Cited by 5 publications

References 77 publications

Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions

Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions

Microwave‐Assisted Synthesis of Spiro Heterocyclic Scaffolds Using Graphite Oxide as a Heterogeneous Carbocatalyst and Study of their Anti‐Microbial Activities

Palladium nanoparticles supported on reduced graphene oxide (Pd@rGO): an efficient heterogeneous catalyst for Suzuki–Miyaura, Heck–Matsuda and Double Suzuki–Miyaura cross-coupling reactions

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Graphite oxide catalyzed one-pot synthesis of highly functionalized spirodibenzo[1,4]diazepine derivatives in aqueous ethanol medium

Abstract: In this work, graphite oxide (GO) was developed from cheap and readily available graphite powder and used as a green heterogeneous carbocatalyst towards the synthesis of spirodibenzo[1,4]diazepine derivatives via one-pot...

Cited by 5 publications

References 77 publications

Visible-light-mediated synthesis of β-keto sulfones using g-C3N4 as a recyclable photocatalyst under sustainable conditions

Visible-light-mediated synthesis of β-keto sulfones using g-C3N4 as a recyclable photocatalyst under sustainable conditions

Microwave‐Assisted Synthesis of Spiro Heterocyclic Scaffolds Using Graphite Oxide as a Heterogeneous Carbocatalyst and Study of their Anti‐Microbial Activities

Palladium nanoparticles supported on reduced graphene oxide (Pd@rGO): an efficient heterogeneous catalyst for Suzuki–Miyaura, Heck–Matsuda and Double Suzuki–Miyaura cross-coupling reactions

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Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions

Visible-light-mediated synthesis of β-keto sulfones using g-C₃N₄ as a recyclable photocatalyst under sustainable conditions