From 4,5,6,7-tetrahydroindoles to 3- or 5-(4,5,6,7-tetrahydroindol-2-yl)isoxazoles in two steps: a regioselective switch between 3- and 5-isomers
Keywords: 4,5,6,7-Tetrahydroindoles; Aroyl(hetaroyl)bromoalkynes; 3-(4,5,6,7-Tetrahydroindol-2-yl)-2-propynones; 3-(4,5,6,7-Tetrahydroindol-2-yl)-2-propynoates; Hydroxylamine; Isoxazoles;