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ChemInform Abstract: Storable and Air-Stable Zirconium Complex Catalyzed Highly Enantioselective Darzens Reaction of Diazoacetamide with Aldehydes.

✍ Scribed by Long He; Wei-Jun Liu; Lei Ren; Tao Lei; Liu-Zhu Gong

Publisher
John Wiley and Sons
Year
2010
Weight
21 KB
Volume
41
Category
Article
ISSN
0931-7597

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Storable and Air-Stable Zirconium Comple
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## Abstract An asymmetric Darzens reaction of aldehydes with diazo‐__N,N__‐dimethylacetamide (**3**) catalyzd by an air‐stable and storable chiral zirconium Lewis acid catalyst, which is formed from 3,3′‐diiodobinaphthol and tetrabutoxyzirconium, gives solely the __cis__‐glycidic amides in high yie

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Enantioselective Aldol Reaction of Tin Enolates with Aldehydes Catalyzed by BINAP•Silver(I) Complex. -A new type of highly enantioselective aldol reactions of aldehydes with tributyltin enolates using the title complex as catalyst is described. Optimal conditions are established with THF as solvent