Asymmetric deprotonation of N,N-dihexyl-1-naphthamides to provide atropisomers of N,N-dihexyl-2-alkyl-1-naphthamides
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Add time:08/26/2019 Source:sciencedirect.com
Asymmetric deprotonation of N,N-dihexyl-1-naphthamide using sec-butyllithium/(−)-sparteine followed by reactions with methyl or ethyl alkylation reagents give the atropisomers of N,N-dihexyl-2-alkyl-1-naphthamide with 50% and 55% ee, respectively.
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