Domino transformations of gem-trifluoroacetyl(bromo)alkenes under the action of secondary aminesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:2-Bromo-3-arylpropenyl trifluoromethyl ketones underwent aza-Michael/hydroxyalkylation domino reactions triggered by secondary amines to give unexpectedly 2-amino-1-trifluoromethyl indenols in good yields. The process was found to involve the intermediate formation of captodative aminoalkenes. Treatment of 2-bromo-3-thienyl derivatives with the same nucleophiles afforded the captodative trifluoroacetyl(amino)alkenes. The indenols obtained in this reaction can be converted into the corresponding indanones by acid hydrolysis. (C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007.