Journal of the American Chemical Society
A New Method of Preparation of Esters of Difluoroacetic Acid1
JA Young, P Tarrant
Index: Young; Tarrant Journal of the American Chemical Society, 1950 , vol. 72, p. 1860
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Citation Number: 17
Abstract
Acid Lactone.-One and one-tenth grams of 6-hydroxy-methyl-1, 3-benzodioxan-7-carboxylic acid lactone'was dissolved in 50 cc. of glacial acetic acid by heating. When the solution was just starting to boil, it was removed from the hot-plate and 3.5 g. of chromium trioxide was added at such a rate as to keep the mixture boiling vigorously. When boiling had ceased, 175 cc. of water was added and the dark green solution was cooled overnight in the ...