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BINOL−Salen-Catalyzed Highly Enantioselective Alkyne Additions to Aromatic Aldehydes

✍ Scribed by Li, Zi-Bo; Pu, Lin

Book ID
127320983
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
83 KB
Volume
6
Category
Article
ISSN
1523-7060

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Enantioselective addition of diethylzinc
Enantioselective addition of diethylzinc to aromatic aldehydes catalyzed by Ti(BINOL) complex
✍ Fu-Yao Zhang; Chiu-Wing Yip; Rong Cao; Albert S.C. Chan 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 266 KB

The enantioselective addition of diethylzinc to aldehydes was conveniently achieved by using a catalyst prepared in situ by mixing titanium tetraisopropoxide with Sor R-binaphthol. Optical yields as high as 95.6% were obtained, t~) 1997 Elsevier Science Ltd. All rights reserved.