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Vanadium-Catalyzed Pinacol Coupling Reaction in Water

✍ Scribed by Xu, ; Hirao, Toshikazu

Book ID
119940766
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
71 KB
Volume
70
Category
Article
ISSN
0022-3263

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Ytterbium triflate, Yb(OTf) 3 , catalyzes the intermolecular reductive homocouplings of imines, aldehydes, and ketones at loadings of 5 mol % in the presence of Mg and Me 3 SiCl to give isolated yields of up to 95%. Diastereoselectivity of up to 4/96 (dl/meso) is achieved for aromatic aldehydes, up