In the following stage, quite a few unsymmetrical azobenzenes were being screened as substrates, as well as the products 43a–d and 43a’–43d’ had been received (Scheme 13). Notably, the steric environment in the azobenzene orients the formation of preferred products 43e–file. The substrate scope of the reaction was more expanded to trifluo
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Afterward, the authors investigated a lot more amides to address the minimal reactivity of four-toluenesulfonamide 35a During this reaction. The effects showed that phenylsulfonamides 35b containing electron-deficient substituents made far better yields in the focus on indazoles 36. Many substituted acetophenone oxime ethers 34 derived from propiop
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