Organic and Biomolecular Chemistry. Том 15. 2017. С. 6384-6387
Benzazecines with an allene fragment were prepared for the first time and in high yields via tandem reaction of 1-phenylethynyl-1-methyl(benzyl)-1,2,3,4-tetrahydroisoquinolines with activated alkynes in trifluoroethanol. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.