| http://www.w3.org/ns/prov#value | - For example, the reaction is carried out by simultaneously reacting hydrogen in the presence of a catalyst such as palladium and charcoal and di-t-butyl dicarbonate with a product of formula VIII wherein R is a group of formula II in an organic solvent such as an alcohol, for example, methanol, ethanol or IPA, about 0??? C. to about 50??? C. This reaction is particularly useful where R'1 and R1 t
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