申请人:Sumitomo Chemical Company, Limited
公开号:US05902905A1
公开(公告)日:1999-05-11
There is provided a method for producing arylvinylsulfone of the formula: ##STR1## wherein, R.sup.1 and R.sup.2 denote each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a nitro group, an amino group, a lower alkylamino group and a lower di(alkylamino) group, which comprises reacting .beta.-haloethylarylsulfone of the formula: ##STR2## wherein, R.sup.1 and R.sup.2 are as defined above and X denotes a halogen atom, with an alkali metal carbonate or an alkali metal hydrogencarbonate in the presence of a catalytic amount of an amine or its inorganic acid salt or a quaternary ammonium salt.
提供一种制备芳基乙烯基磺酮的方法,其中,R1和R2各自独立表示氢原子,卤素原子,低碳基,低烷氧基,硝基,氨基,低烷基氨基和低二(烷基)氨基,该方法包括将β-卤乙基芳基磺酮和碱金属碳酸盐或碱金属氢碳酸盐在胺或其无机酸盐或季铵盐的催化下反应,其中,β-卤乙基芳基磺酮的化学式为:其中,R1和R2如上定义,X表示卤素原子。