反应详情

The title compound was prepared in analogy to example 133, step 4 from 1,4-dioxa-10-aza-dispiro[4.2.4.2]tetradecan-9-one (described in example 133, step 3) and 1-(4-bromo-phenyl)-2,2-difluoro-ethanol as yellow solid. MS (m/e): 368.166 [MH+].