prov:value
| - Suitable solvents are, for example, aprotic organic solvents of low polarity, such as halogenated, especially chlorinated, aliphatic hydrocarbons, such as chloroform and dichloromethane, and especially polar aprotic solvents, such as aliphatic and cyclic ethers, for example diethyl ether, 1,2-dimethoxyethane and diisopropyl ether, and dioxan and tetrahydrofuran, respectively, lower aliphatic ester
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