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Promising Combination for Asymmetric Organocatalysis: Brønsted Acid-Assisted Chiral Phosphoric Acid Catalysis

✍ Scribed by Zhao, Rong; Shi, Lei

Book ID
126526318
Publisher
John Wiley and Sons
Year
2014
Tongue
English
Weight
825 KB
Volume
6
Category
Article
ISSN
1867-3880

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✍ Hao He; Ling-Yan Chen; Wai-Yeung Wong; Wing-Hong Chan; Albert W. M. Lee 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 264 KB

## Abstract A general approach to the synthesis of optically pure 3,3′‐diaryl chiral sulfonimides (CSIs) from racemic BINOL has been developed. __ortho__‐Lithiation is directed by the sulfonyl groups, and the resulting dihalides serve as the common precursors for the aryl‐substituted CSIs.