1.1
Reagents:
m-Chloroperbenzoic acid
Solvents:
Dichloromethane
;
rt → -40 °C; 1.5 h, -55 - -40 °C; 1 h, -55 - -40 °C
1.2
Reagents:
Triethylamine
,
Potassium carbonate
,
Sodium thiosulfate
Solvents:
Water
;
-40 °C → 0 °C; 1 h, rt