| http://www.w3.org/ns/prov#value | - 04/23/1520150112072 Process of preparing solifenacin or salt thereof, and novel intermediate used in the processDisclosed herein is a method of preparing solifenacin or a salt thereof, including the steps of: (a) reacting (r)-quinuclidinol with bis(pentafluorophenyl)carbonate in an organic solvent to prepare a solifenacin intermediate, (3r)-1-azabicyclo[2,2,2]oct-3-yl pentafluorophenylcarbonate, a
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