| http://www.w3.org/ns/prov#value | - The reaction solvent may be alcohols such as methanol, ethanol, isopropanol, butanol and 2-methoxyethanol; ethers such as 1,2-dimethoxyethane and bis(2-methoxyethyl)ether; cyclic ethers such as dioxane and tetrahydrofuran; benzene, toluene, xylene, dimethylsulfoxide, N,N-dimethylformamide, N-methylpyrrolidone, 1,3-dimethyl-2-imidazolidine.
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