in dichloromethane
addn. of S-comp. to small portions of (CF3CO)2O and 90 to 99percent H2O2, after an hour addn. of (CF3CO)2O and 90percent H2O2, mild reflux 10 h;
in dichloromethane
addn. of S-comp. to small portions of (CF3CO)2O and 90 to 99percent H2O2, after an hour addn. of (CF3CO)2O and 90percent H2O2, mild reflux 10 h;
in dichloromethane
addn. of S-comp. to small portions of (CF3CO)2O and 90 to 99percent H2O2, after an hour addn. of (CF3CO)2O and 90percent H2O2, mild reflux 10 h;
in dichloromethane
addn. of S-comp. to small portions of (CF3CO)2O and 90 to 99percent H2O2, after an hour addn. of (CF3CO)2O and 90percent H2O2, mild reflux 10 h;
