Technical Notes:
1.Catalyst for the hydroxyl-directed epoxidation of olefins.
2. Catalyst for the asymmetric oxidation of disulfides.
3. Catalyst for the Mannich reaction.
4. Catalyst for sulfoxidation of alkanes.
References: 1. Chem. Rev., 1993, 93, 1307. 2.Org. L ett., 2009, 1 1, 2896. 3.J. Am. Chem. Soc., 1998, 120, 801 1. 4.Org. L ett., 2002, 4, 463. 5.Chem.Comm.,009,3169. 6.J. Am. ( hem. Soc., 2000, 122, 7390. 7.J. Am. ( hem. Soc., 2001, 123, 1 545.