prov:value
| - Suitable bases are preferably, for example, alkali metal or alkaline earthmetal hydroxides, carbonates and alkoxides or organic bases such as triethylamine or pyridine, which are also used in an excess and then can simultaneously serve as solvents.Suitable inert solvents are, in particular, alcohols such as methanol, ethanol, isopropanol, n-butanol or tert-butanol; ethers such as diethyl ether, di
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