tert-Butyl hydroperoxide → HCID 22152403, compound

Participants

Reaction Steps

2,3-Bis(4-fluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-butene-2-ol (1.0 g) was dissolved in 50 ml of anhydrous benzene and stirred under nitrogen. To this solution was added 0.012 g of vanadium acetonylacetonate. The solution was then refluxed and tert-butyl hydroperoxide (0.44 g dissolved in 5 ml of anhydrous benzene) was added dropwise over 10 minutes. The reaction was refluxed for one additional hour and then cooled to ambient temperature. The benzene was removed in vacuo and the residue chromatographed on silica gel (2% MeOH/CH2Cl2). This yielded a total of 650 mg of diastereomeric products in a 3:1 ratio. Further chromatography resulted in the separation of the diastereomers. The major isomer was a waxy white solid. NMR (CDCl3 /TMS)δ2.60 (d, J=6 Hz, 1H); 3.48 (d, J=6 Hz, 1H); 4.70 (q, J=7 Hz, 2H), 5.25 (s, 1H); 6.8-7.3 (m, 8H); 7.55 (s, 1H); 7.90 (s, 1H).

Provenance & Evidence