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ChemInform Abstract: Enantioselective Addition of Diethylzinc to Benzaldehyde in the Presence of Sulfur-Containing Pyridine Ligands.

โœ Scribed by G. CHELUCCI; D. BERTA; D. FABBRI; G. A. PINNA; A. SABA; F. ULGHERI

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
29
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

Enantioselective Addition of Diethylzinc to Benzaldehyde in the Presence of Sulfur-Containing Pyridine Ligands. -In some cases ligands, which differ only in the C-8 carbon configuration, cf. methods B) and E), give the opposite configuration of phenylpropanol (III). Surprisingly, method C) leads to unexpected (R)-(III) instead of expected (S)-(III), indicating a different steric course of the reaction.

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ChemInform Abstract: Synthesis of Novel
ChemInform Abstract: Synthesis of Novel Chiral Diazole Derivative Ligands for the Enantioselective Addition of Diethylzinc to Benzaldehyde.
โœ H. KOTSUKI; M. WAKAO; H. HAYAKAWA; T. SHIMANOUCHI; M. SHIRO ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 33 KB ๐Ÿ‘ 2 views

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 i