An efficient and practical route to β‐keto sulfones has been developed through heterogeneous oxidative coupling of oxime acetates with sodium sulfinates by using an MCM‐41‐supported Schiff base‐pyridine bidentate copper (II) complex [MCM‐41‐Sb,Py‐Cu (OAc)2] as the catalyst and oxime acetates as an internal oxidant, followed by hydrolysis. The reaction generates a variety of β‐keto sulfones in good
通过使用MC
M-41-支持的席夫碱-
吡啶双齿
铜(II)络合物[MC
M-41-Sb,Py-],通过
肟肟与亚
磺酸钠的多相氧化偶联,已开发出一种有效且实用的合成β-酮砜的方法。以Cu(OAc)2 ]为催化剂,以
肟肟为内部氧化剂,然后进行
水解。该反应生成各种β-酮砜,收率良好至极佳。这种新的非均相
铜(II)催化剂可以通过简单的方法轻松地从容易获得的廉价试剂中制备,并且具有与Cu(OAc)2相同的催化活性。MCM‐41‐Sb,Py‐Cu(OAc)2也很容易回收,可回收利用多达八次,且几乎保持一致的活性。