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Huw Davies

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Articles

Synthesis of Aryl and Heteroaryl Diazophosphonates via Palladium-Catalyzed Cross-Coupling and Their Application in Rhodium-Catalyzed Cyclopropanation Click to copy article link Article link copied!

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By Yasir Naeem, Duc Viet Ly, Huw Davies
| ACS Publications
Palladium-Catalyzed Cross-Coupling Reaction for Five-Gram Scale Pd(PPh3)4 (1.42 g, 1.23 mmol, 5 mol %), PPh3 (643 mg, 2.45 mmol, 10 mol %), aryl iodide (2b) (5.00 g, 24.51 mmol, 1.0 equiv), and Ag2CO3 (5.07 g, 18.38 mmol, 0.75 equiv) were suspended in toluene (150 mL) under an argon atmosphere. NEt3 (3.41 mL, 24.51 mmol, 1.0 equiv) and dimethyl (diazomethyl)phosphonate 1a (4.78 g, 31.86 mmol, 1.3 equiv) were then added to the mixture.
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The worst club badges in football

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By Huw Davies
| MSN New Zealand Verified
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New Approaches to Reducing Environmental Harm from Combustion Engine Vehicles, the Case for the Application of Systems Thinking

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By Denis Marchant, Huw Davies, Jesper H Christensen
| Preprints.org
This version is not peer-reviewed. Denis Robert Marchant  *,Huw Davies,Jesper Christensen Denis Robert Marchant  *,Huw Davies,Jesper Christensen You are already at the latest version Globally, it is estimated that the number of light duty vehicles will increase, with the potential to reach 2 billion by 2040, and that petrol, including biofuel additives such as ethanol, will continue to be used in substantial quantities for road transport applications until at least 2050.
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