反应详情

5-{(1R)-1-Hydroxy-2-[3-(1-{[(2R)-2-hydroxy-2-(4-methyl-1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]amino}cyclobutyl)pyrrolidin-1-yl]ethyl}-4-methyl-2-benzofuran-1(3H)-one was prepared in a similar fashion to that described for the synthesis of EXAMPLE 1 starting from 5-[(1R)-1-hydroxy-2-{[1-(pyrrolidin-3-yl)cyclobutyl]amino}ethyl]-4-methyl-2-benzofuran-1(3H)-one hydrochloride [INTERMEDIATE 5] and 4-methyl-5-[(2R)-oxiran-2-yl]-2-benzofuran-1(3H)-one [INTERMEDIATE 2B].