The reactions of o-halobenzoic acids, dichloromethane and potassium hydroxide providing benzo[d][1,3]dioxin-4-ones have been realized via the catalysis of Cu(OAc)2. Tandem Ar–X (X = I, Br) bond hydroxylation and double Williamson… Click to show full abstract
The reactions of o-halobenzoic acids, dichloromethane and potassium hydroxide providing benzo[d][1,3]dioxin-4-ones have been realized via the catalysis of Cu(OAc)2. Tandem Ar–X (X = I, Br) bond hydroxylation and double Williamson etherification on dichloromethane are involved during the construction of the target products.
               
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