Author/Authors :
Sobenina، نويسنده , , Lyubov’ N. and Demenev، نويسنده , , Andrey P. and Mikhaleva، نويسنده , , Alʹbina I. and Ushakov، نويسنده , , Igor’ A. and Vasil’tsov، نويسنده , , Alexander M. and Ivanov، نويسنده , , Andrey V. and Trofimov، نويسنده , , Boris A.، نويسنده ,
Abstract :
Indoles are cross-coupled with 1-benzoyl-2-bromoacetylene on Al2O3 at room temperature under base and solvent-free conditions to afford 3-(2-benzoylethynyl)indoles in 22–76% yields, thus representing the first examples of direct ethynylation of the indole nucleus.
Keywords :
indoles , 1-Benzoyl-2-bromoacetylene , 3-(Benzoylethynyl)indoles , alumina , 2-(Benzoylethynyl)-4