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Effects of Aromatic Substituents on Binaphthyl-Based Chiral Spiro-Type Ammonium Salts in Asymmetric Phase-Transfer Reactions.

✍ Scribed by Taichi Kano; Quan Lan; Xisheng Wang; Keiji Maruoka

Publisher
John Wiley and Sons
Year
2007
Weight
29 KB
Volume
38
Category
Article
ISSN
0931-7597

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Effects of Aromatic Substituents on Bina
Effects of Aromatic Substituents on Binaphthyl-Based Chiral Spiro-Type Ammonium Salts in Asymmetric Phase-Transfer Reactions
✍ Taichi Kano; Quan Lan; Xisheng Wang; Keiji Maruoka 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 354 KB

## Abstract Spiro‐type phase‐transfer catalysts prepared from two equivalents of a single binaphthyl subunit were designed and applied to the asymmetric alkylation and direct aldol reactions of a glycine derivative. The effects of the substitution pattern of the binaphthyl subunits on the enantiose