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ChemInform Abstract: Highly Enantioselective Direct Michael Addition of 1H-Benzotriazole to Chalcones Catalyzed by Sc(OTf)3/N,N′-Dioxide Complex.

✍ Scribed by Jing Wang; Wentao Wang; Xiaohua Liu; Zongrui Hou; Lili Lin; Xiaoming Feng

Publisher
John Wiley and Sons
Year
2011
Weight
37 KB
Volume
42
Category
Article
ISSN
0931-7597

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Highly Enantioselective Direct Michael A
Highly Enantioselective Direct Michael Addition of 1H-Benzotriazole to Chalcones Catalyzed by Sc(OTf)3/N,N′-Dioxide Complex
✍ Jing Wang; Wentao Wang; Xiaohua Liu; Zongrui Hou; Lili Lin; Xiaoming Feng 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 396 KB

## Abstract The __N__,__N′__‐dioxide–Sc(OTf)~3~ complex was applied in the asymmetric Michael reaction of 1__H__‐benzotriazole with chalcones to give the corresponding N‐1 products in excellent yields (up to 99 %) with excellent enantioselectivities (up to 99 % __ee__). Further transformation into