Solubility of Acetylene in Donor Solvents

McKinnis, Art C.

doi:10.1021/ie50544a053

Cited by 25 publications

(7 citation statements)

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“…In an effort to speed up the reaction by increasing the concentration of acetylene dissolved in the reaction medium, we turned to N,N-dimethylformamide (DMF), a solvent in which the hydrogen bonding capability of acetylene greatly increases its solubility. 9 After 48 h at 140 1C in DMF, a 21% conversion of 1 to 2 was achieved (Fig. 3).…”

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confidence: 95%

Diels–Alder cycloaddition of acetylene gas to a polycyclic aromatic hydrocarbon bay region

2012

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confidence: 95%

Diels–Alder cycloaddition of acetylene gas to a polycyclic aromatic hydrocarbon bay region

2012

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“…The substituent groups would also be additive in contributing to the electronegativity of the donor centers. 31 Compared with hydrogen, the alkyl substituent makes the donor centers more electronegative. The ether bond gives diethylene glycol higher acetylene solubility than ethylene glycol.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The hydrogen bond would form between the protons of acetylene and the donor centers. The substituent groups would also be additive in contributing to the electronegativity of the donor centers . Compared with hydrogen, the alkyl substituent makes the donor centers more electronegative.…”

Section: Resultsmentioning

confidence: 99%

Solubility of Acetylene in Alcohols and Ketones

Huang

2018

J. Chem. Eng. Data

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The solubilities of acetylene in 1,4-butylene glycol, diethylene glycol, linalool, ethylene glycol, isopropanol, isobutanol, butyl alcohol, 1-methyl-2-pyrrolidinone, 2-pyrrolidinone, N-vinylpyrrolidone, 6-methyl-5-hepten-2-one, and geranyl acetone were studied in the temperature range of 278.15 to 318.15 K and in the pressure range of 0.03 to 0.25 MPa. The Henry's law constants were calculated from the slope of the linear isotherms of pressure versus the mole fraction of acetylene. Thermodynamic properties such as the Gibbs free energy, enthalpy, and entropy changes of dissolution of acetylene in the alcohols and ketones were calculated.

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“…In support of this view, a diacetylene-V-methylpyrrolidone complex (Shachat, 1962) has been isolated, while an ammonia-acetylene complex has been claimed as an activated species in catalytic ethynylations (Tedeschi, 1965;Tedeschi et al, 1963). Also the complexing of ethynyl hydrogen with donor centers has been measured in terms of acetylene solubility (McKennis, 1955).…”

Section: Main Components Of Reactor Systemmentioning

confidence: 88%