Ozone → 3-phenylbutane-1,3-diol

참여 물질

반응 단계

A solution of 2-phenylpent-4-en-2-ol (74 g, 0.457 mol) in dry CH2Cl2 (1 L) was treated with ozone at −78° C. until the mixture turned blue. The system was then flushed with oxygen to remove excess ozone. NaBH4 (42.8 g, 1.143 mol) was added to the mixture in portions at −20° C. The mixture was stirred overnight at rt. The mixture was quenched with water and the layers were separated. The aqueous layer was extracted with CH2Cl2 (2×). The organic layers were combined, washed with brine, dried over anhydrous Na2SO4 and concentrated to give 3-phenylbutane-1,3-diol (67.8 g), which was used for the next step without purification.

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