1: With bismuth trifluoromethanesulphonate; water in acetonitrile 1.5 h; 2: With 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; [bis(acetoxy)iodo]benzene in acetonitrile 2 h;
1: With bismuth trifluoromethanesulphonate; water in acetonitrile 1.5 h; 2: With 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; [bis(acetoxy)iodo]benzene in acetonitrile 2 h;