Ruthenium(ii)-catalyzed [2 + 2 + 2] cycloaddition of 1,6-diynes with electron-deficient nitrilesElectronic supplementary information (ESI) available: experimental procedures and analytical data for compounds 4, 7 and 8. See http://www.rsc.org/suppdata/cc/b1/b102588k/
Abstract
Ru(II)-catalyzed