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ChemInform Abstract: Diastereoselective 1,2-Addition of Organometallic Reagents to Chiral Formylferrocenes Leading to Enantiomerically Pure Ferrocenyl Amino Alcohols: Application to Asymmetric Dialkylzinc Addition to Aldehydes and Synthesis of Optically Active 1,2-Homodisubstituted Ferrocenes.

โœ Scribed by Shin-ichi Fukuzawa; Daisuke Tsuchiya; Kae Sasamoto; Kohki Hirano; Makoto Ohtaguchi

Publisher
John Wiley and Sons
Year
2001
Weight
38 KB
Volume
32
Category
Article
ISSN
0931-7597

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Diastereoselective 1,2-Addition of Organ
Diastereoselective 1,2-Addition of Organometallic Reagents to Chiral Formylferrocenes Leading to Enantiomerically Pure Ferrocenyl Amino Alcohols: Application to Asymmetric Dialkylzinc Addition to Aldehydes and Synthesis of Optically Active 1,2-Homodisubstituted Ferrocenes
โœ Shin-ichi Fukuzawa; Daisuke Tsuchiya; Kae Sasamoto; Kohki Hirano; Makoto Ohtaguc ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 341 KB ๐Ÿ‘ 2 views

The chiral formylferrocenes 2-5 have been readily prepared in good yields by ortho-lithiation of the TMS-blocked orunblocked aminoferrocenes and subsequent reaction with DMF. The stereochemistry of the reaction of 2 with organometallic reagents has been examined. Reactions of 2 with Grignard and org