Organic sonochemistry process

Details Organic sonochemistry process Organic sonochemistry process

1982-11-22

1984-08-21

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204162S, B01J 1910

Patent

active

044668708

ABSTRACT:
The method of causing or promoting chemical changes involving the step of subjecting reactants to ultrasonic energy as a key treatment step, including methods of: (1) reducing aryl halides by treating a mixture of aryl halide and lithium aluminum hydride in a liquid ether medium; (2) making cycloaddition products by treating a mixture of alpha, alpha'-dibromo-ortho-xylene, zinc powder and a dienophile in a liquid ether medium; (3) making beta-hydroxyesters by treating a mixture of alpha-bromoethylacetate, a carbonyl compound, zinc dust and an iodine enhancer in a liquid ether medium; (4) making tetramesityldisilene involving treating a solution of bis(mesityl)dichlorosilane in a liquid ether medium, with lithium present in the medium; and (5) saturating organic compounds having capability of reduction at carbon-carbon bonds involving treating a mixture of an organic compound having capability of reduction at carbon-carbon bonds, and formic acid, in an alcohol medium with palladium-on-carbon present as a catalyst.

REFERENCES:
patent: 3128240 (1964-04-01), Kusy
patent: 3630866 (1971-12-01), Pelofsky
patent: 3833491 (1974-09-01), Kennedy

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