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ChemInform Abstract: Synthesis of Novel Chiral Diazole Derivative Ligands for the Enantioselective Addition of Diethylzinc to Benzaldehyde.

✍ Scribed by H. KOTSUKI; M. WAKAO; H. HAYAKAWA; T. SHIMANOUCHI; M. SHIRO

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Synthesis of Novel Chiral Diazole Derivative Ligands for the Enantioselective Addition of Diethylzinc to Benzaldehyde.

-The high pressure promoted reaction of epoxides with several nitrogen heterocycles represents an access to a variety of chiral title ligands (13 examples). Each of these ligands is tested as catalyst in the enantioselective addition of Et2Zn to benzaldehyde. The best results are obtained with (VII) and (IX) yielding 93% e.e. and reversed asymmetric induction. -(KOTSUKI, H.; WAKAO, M.;

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.