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N-甲磺酰基-2-(2,2-二溴乙烯基)苯胺及其衍生物在室温条件下,以甲苯为溶剂、CuI为催化剂、K_3PO_4为碱,发生分
N-methylsulfonyl-2- (2,2-dibromovinyl) aniline and its derivatives at room temperature in toluene as a solvent, CuI as a catalyst, K_3PO_4 as a base, the occurrence of points