Difluoromethane as a precursor to difluoromethyl borates.

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ID: 49044
2019
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Ranked #65 of 184 articles by views in Chemical communications (Cambridge, England)

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Abstract
Difluoromethane (CF2H2) is an ecologically-friendly refrigerant which holds promise as a source of CF2H-. However, the weak acidity (pKa = 35-41) and low stability of the conjugate base have prevented its utilization as a chemical feedstock. In this manuscript, we use a Lewis pair approach to deprotonate CF2H2 and capture CF2H- as R3B-CF2H- adducts. One reagent can be used as a base-free Suzuki reagent in palladium-mediated difluoromethylation, where CF2H- transfer is templated by precoordination to an azaborine derived R3B-CF2H- reagent.
Reference Key
geri2019difluoromethanechemical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Geri, Jacob B;Aguilera, Ellen Y;Szymczak, Nathaniel K;
Journal Chemical communications (Cambridge, England)
Year 2019
DOI
10.1039/c9cc01565e
URL
Keywords
refrigerant flammability burning velocity difluoromethane flame stretch thermal radiation

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