Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1996-01-11
1998-06-09
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
502172, C07D32100
Patent
active
057636230
ABSTRACT:
Methods for effecting epoxidation of olefinic compounds using cyclic ketone catalysts is provided. In particular, catalytic asymmetric epoxidation of unfunctionalized olefins, e.g., trans-olefins and trisubstituted olefins using novel cyclic ketones possessing C.sub.2 symmetric chiral elements is provided.
REFERENCES:
Kurihara, M., et al. "Stereoselective Eposidation with Dioxiranes from Generated Ketones", Tet. Let., 35 (10), pp. 1577-1580, Mar. 1994.
Yang, D., et al. "Epoxidation of Olefins Using Methyl(trifluoromethyl)dioxirane Generated in Situ", J. Org. Chem, 60, pp. 3887-3889, Jun. 1995.
Denmark, S.E., et al. "Catalytic Epoxidation of Alkenes wih Oxone ", J. Org. Chem., 60, pp. 1391-1407, Mar. 1995.
Tang Man-Wai
Wong Man-Kin
Yang Dan
Yip Yiu-Chung
Zhang Jian-Hua
Ivy C. Warren
Smith Lyman H.
The University of Hong Kong
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