ChemInform Abstract: Titanium‐Catalyzed [6π + 2π]‐Cycloaddition of Alkynes and Allenes to 7‐Substituted 1,3,5‐Cycloheptatrienes

Abstract

Titanium-Catalyzed [6 + 2]-Cycloaddition of Alkynes and Allenes to 7-Substituted 1,3,5-Cycloheptatrienes -[furnishing substituted bicyclo[4.2.1]nona--2,4-dienes or -2,4,7-trienes, respectively]. -(D'YAKONOV*, V. A.; KADIKOVA, G. N.; KOLOKOL'TSEV, D. I.; RAMAZANOV, I. R.; DZHEMILEV, U. M.; Eur. J. Org. Chem. 2015, 20, 4464-4470, http://dx.doi.org/10.1002/ejoc.201500442 ; Inst. Petrochem. Catal., Russ. Acad. Sci., Ufa 450075, Russia; Eng.) -Toeppel 46-093