| http://www.w3.org/ns/prov#value | - The above said de-esterification, e.g. de-acylation, process, may be performed in a known manner too, generally operating under mild basic conditions, for example by reaction with an alkali metal hydroxide, e.g. sodium hydroxide, in an aqueous-alcoholic medium; or by transesterification in an appropriate dry alcohol, in the presence of a basic catalyst such as, e.g. an alkali metal carbonate, e.g.
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