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以手性氧氮硼五环为催化剂对潜手性三氟甲基酮进行了硼烷不对称还原 ,e.e.值 38%～4 5%。
The asymmetric borane reduction of tris (trifluoromethyl) ketone with chiral oxonitrobenzene as catalyst was carried out. The e.e. Values ranged from 38% to 45%.