The preparation of difluoromethyl esters and ethers by the photolytic reaction of difluorodiazirine with acids and alcohols, respectively, is described. Difluoromethyl benzoate is converted, under mild conditions, to methyl benzoate, benzamide and benzanilide by reaction with methanol, ammonium hydroxide and aniline, respectively. The difluoromethyl esters are activated to nucleophilic reaction by virtue of the a-fluorine substitution . S d, J = 68.2 c/s t, J = 68.8 C/S t, J = 8.8 C/S 9, J = 8.8 c/s d, J = 68.6 C/S t, J = 68.6 C/S d, J = 70.8 C/S
or toxicological symptoms and all the birds remained healthy throughout the study. Feed consumption was significantly reduced at the 300 g/ton level and the birds in this group ended th$ medication period gaining 60% as much weight as the control group. There were no discernible differences in the quality of the eggs or the egg shell.
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