反应详情

Using an adaptation of the method described in Procedure 7, substituting 3-bromo-5-methoxy-xanthen-9-one, 3k for 9-oxo-9H-xanthene-3-carboxylic acid diethylamide, 6a and 8-(2,2,2-trifluoro-acetyl)-8-aza-bicyclo[3.2.1]octan-3-one for N-carbethoxynortropinone, 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. MS m/z (MH+) 467.7, 469.7.