(-)-(1S,2S)-trans-2-bromo-1-<2-methoxy-2-phenyl-2-trifluoromethylacetoxy>-1,2,3,4-tetrahydrobenzanthracene 在
N-溴代丁二酰亚胺(NBS) 作用下,
生成 (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1S,2S)-2,4-dibromo-1,2,3,4-tetrahydro-benzo[a]anthracen-1-yl ester