Enantioselective ethylation of N-(amidobenzyl)benzotriazoles catalysed by chiral aminoalcohols
摘要:
In the presence of the chiral amino-alcohol (-) N,N-dibutylnorephedrine (DBNE), N-(amidobenzyl)benzotriazoles react with diethylzinc to give the corresponding amides with up to 76% ee.