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Synthesis and application of 3-substituted (S)-BINOL as chiral ligands for the asymmetric ethylation of aldehydes

✍ Scribed by Zhi-Guang Zhang; Zhi-Bing Dong; Jin-Shan Li


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
383 KB
Volume
22
Category
Article
ISSN
0899-0042

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Synthesis and application of chiral Ξ²-am
✍ Antonio L. Braga; FΓ‘bio Z. Galetto; Oscar E. D. Rodrigues; Claudio C. Silveira; πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 113 KB

## Abstract A new class of chiral β‐amino disulfides was synthesized from readily available and inexpensive starting materials by a straightforward method and their abilities as ligands were examined in the enantioselective addition of diethylzinc to aldehydes. Enantiomeric excesses of up to 99% ha