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Enantioselective allylation of N-(trimethylsilyl)benzaldehyde imine using polymer-supported chiral allylboron reagents

✍ Scribed by Ashraf A El-Shehawy; Magdy Y Abdelaal; Katsuhiro Watanabe; Koichi Ito; Shinichi Itsuno


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
222 KB
Volume
8
Category
Article
ISSN
0957-4166

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1997 stereochemistry stereochemistry (general, optical resolution) O 0030 ## 43 -041 Enantioselective Allylation of N-(Trimethylsilyl)benzaldehyde Imine Using Polymer-Supported Chiral Allylboron Reagents. -Both polymers (I) and (II) are found to be excellent chiral ligands in the title reactions.

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Polymer-supported allylboron reagents have been prepared from triallylboranes and polymer-supported N-sulfonylamino alcohol. These polymeric reagents were reacted with arylimines to give the corresponding secondary homoallylic amines in high yields. Chloromethylated polystyrene was modified into the