Reverting fluoroform back to chlorodifluoromethane and dichlorofluoromethane: Intermolecular Cl/F exchange with chloroform at moderate temperatures

W Han, J Wang, L Chen, L Yang, S Wang, M Xi… - Chemical Engineering …, 2019 - Elsevier
Trifluoromethane is one of the most potent and stable greenhouse gases with global
warming potential of 14,800 times higher than CO 2 (100-year time horizon). At present, it is …

Tame the super greenhouse gas-CHF3 via F/Cl exchange reaction over partially chlorinated Al-based fluoride catalysts

X Wei, Y Sun, Y Wei, Y Wang, J Wang, B Liu… - Journal of …, 2022 - Elsevier
CHF 3 is considered as one kind of super greenhouse gases with extremely high global
warming potential which is the byproduct during the manufacture of HCFC-22 (CHClF 2) …

Anomalous elimination of HCl from 2-chloro-1, 1-difluoroethane. Likely involvement of a 1, 2-FCl interchange mechanism

WR Dolbier Jr, R Romelaer, JM Baker - Tetrahedron letters, 2002 - Elsevier
Anomalous elimination of HCl from 2-chloro-1,1-difluoroethane. Likely involvement of a 1,2-FCl
interchange mechanism - ScienceDirect Skip to main contentSkip to article Elsevier logo …

Solvent effects in the fluorination of 1, 2-dichloro-1, 1-difluoroethane (R-132b) to 2-chloro-1, 1, 1-trifluoroethane (R-133a)

RK Belter, NK Bhamare - Journal of fluorine chemistry, 2006 - Elsevier
Trichloroethylene has been found to act as a rate enhancing co-factor in the liquid phase,
tantalum (V) halide catalyzed, fluorine-for-chlorine exchange reaction of 1, 2-dichloro-1, 1 …

Treatment of the potent greenhouse gas, CHF3—an overview

W Han, Y Li, H Tang, H Liu - Journal of Fluorine Chemistry, 2012 - Elsevier
CHF3 is a potent and synthetic greenhouse gas with global warming potential of 11,700
times higher than that of CO2. It is mainly produced as a by-product during the manufacture …

Effect of the aluminium fluoride phase for the Cl/F exchange reactions in CCl2F2 (CFC-12) and CHClF2 (HCFC-22)

C Alonso, A Morato, F Medina, Y Cesteros… - Applied Catalysis B …, 2003 - Elsevier
Two different aluminium trifluorides (α-AlF3 and γ-AlF3) of high-area have been prepared,
characterised by XRPD, N2 physisorption, IR, X-ray fluorescence, TPD and SEM techniques …

Catalytic formation of 2, 3, 3, 3-tetrafluoropropene from 2-chloro-3, 3, 3-trifluoropropene at fluorinated chromia: A study of reaction pathways

K Teinz, SR Manuel, BB Chen, A Pigamo… - Applied Catalysis B …, 2015 - Elsevier
The catalytic gas phase reaction between CF 3 single bondCCldouble bondCH 2 with HF
yielding CF 3 single bondCFdouble bondCH 2 was investigated regarding the reaction …

Selective aliphatic fluorination by halogen exchange in mild conditions

L Saint-Jalmes - Journal of fluorine chemistry, 2006 - Elsevier
HF-Base media, in particular (HF) 10-pyridine or (HF) 3-triethylamine, allow aliphatic
chlorine–fluorine exchanges on acid-sensitive molecules. Depending on the nature …

Conversion of fluoroform to CHCl 3 and AlCl x F 3− x via its mechanochemical reaction with AlCl 3

Y Tang, H Shao, Y Lu, H Meng, H Fan, C Li - Green Chemistry, 2024 - pubs.rsc.org
Fluoroform (CHF3) is a byproduct of CHF2Cl with high global warming potential and long
atmospheric lifetime, and its efficient utilization is a great challenge. The mechanochemical …

Thermal isomerization of 1, 1, 2, 2-tetrafluoroethane (FC-134) to 1, 1, 1, 2-tetrafluoroethane (FC-134a) in the presence of hydrogen

R Romelaer, JM Baker, WR Dolbier - Journal of the American …, 2001 - ACS Publications
The mechanism of the high-temperature, gas-phase isomerization of 1, 1, 2, 2-
tetrafluoroethane (FC-134) to 1, 1, 1, 2-tetrafluoroethane (FC-134a) in the presence of H2 …