FIELD: organic chemistry. SUBSTANCE: hydrodechlorination of mono- or dichloroderivatives of benzene or phenol is carried out in vapor phase with fluidized catalyst layer containing 0.5 wt.-% palladium on aluminium oxide in the presence of hydrogen diluted with inert gas, at 80-150 C, at molar ratio of chloroaromatic compound and hydrogen 1:10. Hydrogen content in inert gas is 10 vol. volume rate of reagent mixture feeding in inert gas is 2000-25000 h-1, yield is 94-99% EFFECT: improved method, increased yield of product. 3 tbl
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