Ketene acetals. XVI. phenylketene diethyl-and dimethylacetals from the pyrolysis of the corresponding orthoesters

SM McElvain, CL Stevens

Index: McElvain; Stevens Journal of the American Chemical Society, 1946 , vol. 68, p. 1917,1921

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Citation Number: 25

Abstract

The preferential hydrolysis of the a-bromine atom of 4-(a, 6-dibromopropyl)-guaiacol benzoate was accomplished by refluxing for eighteen hours a solution of 5 g. of the dibromide in 30 ml. of 95% ethanol, 30 ml. of acetone, and 30 ml. of water with 5 g. of calcium carbonate. The filtrate on vac~ ium concentration yielded an oil whose ether solution was washed well with water, treated with Norit and dried over sodium sulfate. ...

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