Copper;oxocopper

Base Information

• Chemical Name: Copper;oxocopper
• CAS No.: 1317-39-1
• Molecular Formula: Cu₂O
• Molecular Weight: 143.091
• Mol file: 1317-39-1.mol

Synonyms:copper;oxocopper

Chemical Property of Copper;oxocopper

Chemical Property:

• Appearance/Colour: red-brown powder
• Melting Point: 1232 °C
• Refractive Index: 2.705
• Boiling Point: 1800 °C
• Flash Point: 1800°C
• PSA: 0.00000
• Density: 6 g/mL at 25 °C(lit.)
• LogP: -0.12380
• Water Solubility.: practically insoluble
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 141.854109
• Heavy Atom Count: 3
• Complexity: 2.8

Purity/Quality:

99.0%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s): Xn,N
• Hazard Codes: Xn:Harmful;;
• Statements: R22:; R50/53:
• Safety Statements: S22:; S60:; S61:

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: O=[Cu].[Cu]
• General Description: Copper(I) oxide (Cu2O) is a versatile catalyst used in organic synthesis, demonstrating efficacy in ligand-free N-arylation reactions of amides with aryl halides in water, as well as in photoredox Sonogashira coupling reactions under visible light. It enables environmentally friendly and cost-effective methods for forming C–N and C–C bonds, avoiding the need for expensive palladium catalysts or harsh conditions. Cu2O nanocrystals, such as truncated nanocubes (TNCs), exhibit recyclability and high catalytic efficiency, particularly when enhanced by CO2, making them suitable for industrial applications in pharmaceuticals and materials science.

Technology Process of Copper;oxocopper

There total 3 articles about Copper;oxocopper which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

→ 1,2,5,6-hexanetetrol (20221-50-5,24211-51-6,122923-46-0,5581-21-5) + copper(I) oxide (1317-39-1,146060-06-2)

Guidance literature:

Reference yield:

→ copper(I) oxide (1317-39-1,146060-06-2)

Guidance literature:

Reference yield:

copper (12775-96-1,15158-11-9,15721-63-8,16941-75-6,17493-86-6,19498-52-3,20499-83-6,20499-84-7,20499-85-8,20499-86-9,20573-10-8,20573-11-9,21595-51-7,21595-52-8,22206-52-6,26445-28-3,28959-95-7,37362-93-9,39417-05-5,54603-16-6,54603-23-5,54603-32-6,54603-40-6,54603-48-4,54603-81-5,54603-89-3,56316-56-4,95985-91-4,122297-32-9,7440-50-8) → copper(I) oxide (1317-39-1,146060-06-2) + copper(II) oxide

Guidance literature:

With NO₂ or NO or N₂O; 623 K - 723 K; Kinetics;

DOI:10.1246/bcsj.54.3577

upstream raw materials:

copper

Downstream raw materials:

1,3-dimethyl-4-(o,p-dimethoxyphenyloxy)-benzene

1-chloro-5-cyano-2-nitrobenzene

2-chloro-3,5-dimethylbenzene-1,4-diol

methyl 2-bromo-3-(3-methoxycarbonyl-4-fluorophenyl)propionate

Refernces

Efficient ligand-free copper-catalyzed N-arylation of amides with aryl halides in water

10.1016/j.tetlet.2011.01.003

The study develops an efficient and environmentally friendly method for the N-arylation of amides using aryl halides, catalyzed by ligand-free copper(I) oxide (Cu2O) in water. This method provides a practical approach to synthesizing N-arylated amides, which are valuable in pharmaceuticals and materials science. The research focuses on optimizing reaction conditions, including the choice of copper catalyst, base, and phase-transfer catalyst, to achieve good to excellent yields of the desired N-arylated products. The method proves effective for a variety of amides and aryl iodides, making it a versatile tool for organic synthesis.

Cu₂O Nanocrystals-Catalyzed Photoredox Sonogashira Coupling of Terminal Alkynes and Arylhalides Enhanced by CO₂

10.1002/cssc.201901813

The research aims to develop a visible-light-activated Sonogashira C–C coupling reaction at room temperature using single-metal heterogeneous Cu2O truncated nanocubes (Cu2O TNCs) as a catalyst. This method avoids the need for cocatalysis by TiO2 and offers a more sustainable and cost-effective alternative to traditional Sonogashira coupling reactions, which typically require expensive Pd catalysts and harsh conditions. The key chemicals used in this study include aryl halides (such as iodobenzene), terminal alkynes (like phenylacetylene), Cu2O TNCs, and CO2. The study concludes that CO2 enhances the formation of a light-absorbing surface-bound CuI-phenylacetylide complex on Cu2O TNCs, which facilitates single-electron transfer with aryl halides to enable efficient C–C bond formation. The Cu2O TNCs catalyst demonstrated good recyclability and maintained high catalytic efficiency over multiple cycles, making it a promising candidate for industrial applications.

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