| prov:value
| - Conveniently, conversion is conducted in the presence of an inert organic solvent, for example, carbon disulfide, hydrocarbons such as benzene, toluene and the like, chlorinated hydrocarbons such as dichloromethane, carbontetrachloride, chloroform and the like, and ethers such as diethylether, tetrahydrofuran, dioxane and the like.
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