Conversion of phenylacetonitrile in supercritical alcohols within a system containing small volume of water
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Zhi-Qiang Hou
und
Li-Yi Dai
Abstract
The reaction of phenylacetonitrile in supercritical methanol and ethanol in a system containing a small volume of water was studied. The effects of various operating conditions, such as reaction temperature, reaction time, the mole ratio of phenylacetonitrile/water/methanol or ethanol on the product yield were systematically investigated. The optimal yield of methyl phenylacetate for phenylacetonitrile in supercritical methanol in a system containing a small volume of water was 70 % at 583 K and 2.5 h. The optimal yield of ethyl phenylacetate for phenylacetonitrile in supercritical ethanol with a small volume of water was 80 % at 583 K and 1.0 h. At the same time, a feasible mechanism was proposed for phenylacetonitrile in supercritical methanol and ethanol in a system containing a small volume of water.
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- One-step preparation of porous copper nanowires electrode for highly sensitive and stable amperometric detection of glyphosate
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- Flavonoids inhibiting glycation of bovine serum albumin: affinity–activity relationship
- Treatment of natural rubber latex serum waste by co-digestion with macroalgae, Chaetomorpha sp. and Ulva intestinalis, for sustainable production of biogas
- Physicochemical aspects of Trichosporon cutaneum CCY 30-5-10 adhesion and biofilm formation potential on cellophane
- Immobilisation of Aspergillus oryzae α-amylase and Aspergillus niger glucoamylase enzymes as cross-linked enzyme aggregates
- Dissolution kinetics of cerussite in an alternative leaching reagent for lead
- Preparation of quaternary pyridinium salts as possible proton conductors
- Stable UV absorption material synthesized by intercalation of squaric acid anion into layered double hydroxides
- Electrolytic preparation of nanosized Cu/Ni–Cu multilayered coatings
- Efficient solvent-free synthesis of bis(indolyl)methanes on SiO2 solid support under microwave irradiation
- Facile and direct synthesis of symmetrical acid anhydrides using a newly prepared powerful and efficient mixed reagent
- Practical synthesis of 2,3-dimethoxy-5-hydroxymethyl-6-methyl-1,4-benzoquinone
- Conversion of phenylacetonitrile in supercritical alcohols within a system containing small volume of water
