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Catalytic Asymmetric Allylation of Hydrazono Esters in Aqueous Media by Using ZnF2–Chiral Diamine

✍ Scribed by Tomoaki Hamada; Kei Manabe; Shū Kobayashi

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
114 KB
Volume
42
Category
Article
ISSN
0044-8249

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Catalytic Asymmetric Mannich-Type Reacti
Catalytic Asymmetric Mannich-Type Reactions Activated by ZnF2 Chiral Diamine in Aqueous Media
✍ Tomoaki Hamada; Kei Manabe; Shū Kobayashi 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 226 KB

## Abstract Catalytic asymmetric Mannich‐type reactions of an α‐hydrazono ester with silicon enolates in aqueous media have been developed by using ZnF~2~ and chiral diamines as catalysts. In these reactions, both Zn^2+^ and a fluoride anion were necessary to achieve high yields and enantioselectiv