. Author manuscript; available in PMC: 2018 Sep 11.

Published in final edited form as: Chem Rev. 2017 May 10;117(12):7762–7810. doi: 10.1021/acs.chemrev.7b00020

Table 4.

Asymmetric Epoxidation of Chalcones

Entry	Catalyst/ Solvent	Yield %	ee (Major) %	Refs
1		/	25%	223
2		97%	84%	224, 225
3		100%	92%
4		95%	89%
5		94%	98.5%	226
6	Cat. 14 (3 mol%), aq NaOCl, Toluene, 0°C	99%	96%	227
7		99%	94%	228
8		90%	91%	229
9		75%	69.2%	231
10		62%	84%
11		69%	71.4%
12		96%	96%	233
13	poly-L-leucine, NaOH, 30% H₂0₂, Toluene	85%	93%	232
14	poly-D-leucine, NaOH, 30% H₂0₂, CH₂Cl₂	98%	93%	234
15		85%	95%	235
16		99%	98%	236