Asymmetric induction in the synthesis of 3,4,5-trisubstituted ferrocenyl-4,5-dihydropyrazolesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The asymmetric induction in the synthesis of 3,4,5-trisubstituted 4,5-dihydropyrazoles with ferrocenyl substituents, starting from the E and Z isomers of alpha,beta-unsaturated ketones was studied. A high diastereoselectivity was revealed at the 1,2 chiral center --> chiral center induction, which is independent of the configuration of the starting chalcones.