3-bromo-5-methoxy-xanthen-9-one 、
N,N-diethyl xanthen-9-one-3-carboxamide 、
8-(三氟乙酰基)-8-氮杂双环[3.2.1]辛烷-3-酮 在
1-[3-(3-Bromo-5-methoxy-xanthen-9-ylidene)-8-aza-bicyclo[3.2.1 ]oct-8-yl]-2,2,2-trifluoro-ethanone 作用下,
以the title compound 1-[3-(3-bromo-5-methoxy-xanthen-9-ylidene)-8-aza-bicyclo[3.2.1]oct-8-yl]-2,2,2-trifluoro-ethanone, 4k was obtained的产率得到1-[3-(3-Bromo-5-methoxy-xanthen-9-ylidene)-8-aza-bicyclo[3.2.1 ]oct-8-yl]-2,2,2-trifluoro-ethanone