prov:value
| - The following solvents can be employed in the reaction: Hydrocarbons as benzene, xylene, toluene or heavy gasoline, chlorinated hydrocarbons as chlorobenzene, dichlorobenzene, carbon tetrachloride, chloroform or dichloroethane, nitrohydrocarbons as nitrobenzene, nitromethane, ethers and ketones as e.g. diethylether, acetone or diethyl-ketone, esters and amides, e.g. acetic acid ethylester, dimethy
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