A straightforward and versatile approach to the synthesis of 1,4,5-trisubstituted 1,2,3-triazoles from alkyl halides via a one-pot, three-component reaction
作者:Davir González-Calderón、José G. Aguirre-De Paz、Carlos A. González-González、Aydeé Fuentes-Benítes、Carlos González-Romero
DOI:10.1016/j.tetlet.2015.02.049
日期:2015.3
The preparation of 1,4,5-trisubstituted1,2,3-triazoles by the coupling of three components (alkyl halides, sodium azide, and active ketones) through an azide–enolate [3+2] cycloaddition (Dimroth cycloaddition) has been developed for the first time. A wide variety of halides (including chlorides, bromides, and iodides as well as primary and secondary derivatives) have demonstrated the versatility of
Die vorliegende Erfindung betrifft neue Dihydro-[1,2,3]triazolo-[4,5-d]pyrimidin-7-on, Verfahren zu ihrer Herstellung und ihre Verwendung als Arzneimittel, insbesondere als Inhibitoren cGMP-metabolisierender Phosphodiesterasen.