| http://www.w3.org/ns/prov#value | - (3) An alkali metal salt such as lithium, sodium salt or the like of an alcohol (VII) wherein X is as defined just above is obtained by, for example, reacting the alcohol (VII) with n-butyl lithium (hexane solution) in tetrahydrofuran or with sodium hydride in N,N-dimethylformamide.
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