The results confirmed that the actual catalytic species in the epoxidation catalyzed by 2 with TBHP should not be peroxo species but a volatile seven-coordinate peroxomolybdenum complex.

• 研究结果表明催化过程中并非是形成了钼金属过氧化物，而是形成了钼七配位化合物，由它充当催化活性中间体。