ChemInform Abstract: Pd/CuO Nanoparticles as a Highly Effective Catalyst for the Cyanation of Aryl Halides under Ligand-Free Conditions.

We report the green synthesis of CuO nanoparticles (CuO NPs) using Tamarix gallica leaf extract and their catalytic activity for N-arylation of nitrogen-containing heterocycles with aryl halides under ligand-free conditions.

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C-Arylation reactions catalyzed by CuO-nanoparticles under ligand free conditions

Beilstein Journal of Organic Chemistry ◽

10.3762/bjoc.6.35 ◽

2010 ◽

Vol 6 ◽

Cited By ~ 19

Author(s):

Mazaahir Kidwai ◽

Saurav Bhardwaj ◽

Roona Poddar

Keyword(s):

Heterogeneous Catalyst ◽

Cuo Nanoparticles ◽

Aryl Halides ◽

Excellent Yield ◽

Ligand Free ◽

Active Methylene Compounds ◽

Active Methylene

CuO-nanoparticles were found to be an excellent heterogeneous catalyst for C-arylation of active methylene compounds using various aryl halides. The products were obtained in good to excellent yield. The catalyst can be recovered and reused for four cycles with almost no loss in activity.

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l-Prolinal Dithioacetal: A Highly Effective Organocatalyst for the Direct Nitro-Michael Addition to Selected Cyclic and Aromatic Ketones

Synthesis ◽

10.1055/s-0037-1611531 ◽

2019 ◽

Vol 51 (17) ◽

pp. 3356-3368

Author(s):

Piotr Pomarański ◽

Zbigniew Czarnocki

Keyword(s):

Michael Addition ◽

Ring Size ◽

Cyclic Ketones ◽

Asymmetric Syntheses ◽

Aromatic Ketones ◽

Ring Systems ◽

Effective Catalyst ◽

Acetophenone Derivatives ◽

Highly Effective ◽

Related Compounds

The synthesis of novel l-prolinal dithioacetal and its application as an organocatalyst for the direct Michael addition of cyclic ketones and acetophenone derivatives to trans-β-nitrostyrene and related compounds is described. The prolinal dithioacetal acts as effective catalyst in the case of cyclic ketones of different ring size, in particular five- and six-membered examples, as well as larger and smaller ring systems. High enantioselectivity and diastereoselectivity is observed for different substrates and trans-β-nitrostyrenes. Also, the first asymmetric syntheses of selected 2-methyl-4-nitro-1,3-diphenylbutan-1-one derivatives by application of the obtained organocatalyst is presented.

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Cross β-alkylation of primary alcohols catalysed by DMF-stabilized iridium nanoparticles

Organic & Biomolecular Chemistry ◽

10.1039/d1ob00045d ◽

2021 ◽

Author(s):

Masaki Kobayashi ◽

Hiroki Yamaguchi ◽

Takeyuki Suzuki ◽

Yasushi Obora

Keyword(s):

Primary Alcohols ◽

Recycling Process ◽

Catalyst Recycling ◽

Simple Method ◽

Benzyl Alcohols ◽

Effective Catalyst ◽

Iridium Nanoparticles ◽

Highly Effective ◽

Linear Alcohols ◽

The Cross

A simple method for the cross β-alkylation of linear alcohols with benzyl alcohols in the presence of DMF-stabilized iridium nanoparticles was developed. Furthermore, a highly effective catalyst-recycling process was also developed.

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A copper nitride catalyst for the efficient hydroxylation of aryl halides under ligand-free conditions

Organic & Biomolecular Chemistry ◽

10.1039/d1ob00768h ◽

2021 ◽

Author(s):

Hang Xu ◽

Sho Yamaguchi ◽

Takato Mitsudome ◽

Tomoo Mizugaki

Keyword(s):

Catalytic Activity ◽

Heterogeneous Catalyst ◽

Aryl Halides ◽

High Catalytic Activity ◽

Copper Nitride ◽

Ligand Free

Copper nitride (Cu3N) was used as a heterogeneous catalyst for the hydroxylation of aryl halides under ligand-free conditions. The cubic Cu3N nanoparticles showed high catalytic activity, comparable to those of...

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