“…(1aR,11aS,E)-7,10-Bis((tert-butyldimethylsilyl)oxy)-5-(hyd r o x y m e t h y l ) -8 -m e t h o x y -1 a -m e t h y l -1 a , 3 , 6 , 1 1 atetrahydrobenzo [4,5]cyclodeca [1,2-b]oxiren-11(2H)-one (7). To a suspension of SeO 2 (0.8 mg, 7.506 μmol) in DCM (0.5 mL) was added a solution of TBHP (5.5 M in decane, 10.2 μL, 56.298 μmol).…”