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催化学报 2010
聚(4-乙烯基吡啶硝酸盐)、硅硫酸和溴化铵催化氧化硫化物生成亚砜DOI: 10.1016/S1872-2067(10)60124-6, PP. 1347-1350 Keywords: sulfoxide,sulfide,poly(4-vinylpyridiniumnitrate),ammoniumbromide,silicasulfuricacid Abstract: ？Anewcatalyticprocedureforthechemoselectiveoxidationofsulfidestosulfoxideswasstudied.Avarietyofaliphaticandaromaticsulfidesweresubjectedtosulfoxidationbycombiningpoly(4-vinylpyridiniumnitrate),silicasulfuricacid(SiO2-OSO3H),andcatalyticamountsofammoniumbromideinCH2Cl2inthepresenceofafewdropsofwateratroomtemperature.Excellentyieldswereobtained.
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