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ChemInform Abstract: Dramatic Temperature Effect in Asymmetric Catalysis in the Enantioselective Addition of Diethylzinc to Aldehydes.

✍ Scribed by Huichang Zhang; Kin Shing Chan

Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199928027

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✦ Synopsis

Dramatic Temperature Effect in Asymmetric Catalysis in the Enantioselective Addition of Diethylzinc to Aldehydes.

-The enantioselectivity of the addition of Et 2 Zn to aryl aldehydes in the presence of catalytic amounts of a chiral pyridyl-phenol ((S)-MPBP) is found to depend heavily on temperature with the inversion temperatures affected by the para-substituents of aryl aldehydes. -(ZHANG, HUICHANG; CHAN, KIN

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