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Fang, Xin; Dong, Xiu-Qin; Liu, Yuan-Yuan; Wang, Chun-Jiang
Tetrahedron letters, 08/2013, Letnik: 54, Številka: 34Journal Article
The first asymmetric sulfa-Michael addition of thiols to trans-3,3,3-trifluoropropenyl phenyl sulfone for the construction of a unique stereogenic center bearing a trifluoromethyl group and a sulfur atom has been achieved in high yields and moderate to good enantioselectivities with 1mol% bifunctional amine–thiourea catalyst. The first asymmetric sulfa-Michael addition of thiols to trans-3,3,3-trifluoropropenyl phenyl sulfone for the construction of a unique stereogenic center bearing a trifluoromethyl group and a sulfur atom has been achieved in high yields and moderate to good enantioselectivities with 1mol% bifunctional amine–thiourea catalyst.
