A practical and efficient procedure for the enantioselective synthesis of mexiletine analogues with use of 10% of spiroborate ester 6 as chirality transfer agent is presented. A variety of mexiletine analogues were prepared in good yield with excellent enantioselectivities (91-97% ee) from readily available starting materials. The developed methodology was also successfully applied for the synthesis of novel beta-amino ethers containing thiophenyl and pyridyl fragments.
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| http://dx.doi.org/10.1021/jo801181d | DOI Listing |
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