反应详情

This material was prepared In analogy to example 162 step B) from 8-(3,3-dimethyl-butyryl)-2,8-diaza-spiro[4.5]decan-1-one, product of example 165 A) and 1-(4-bromo-phenyl)-2,2-difluoro-ethanol, described in example 176). Yellow solid. MS (ESI): 408.22 (MH+).