Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The Chromium(II)-mediated Nickel(II)-catalysed cyclisations of (iodoaryl)-substituted alkynes 1, 2 and 7 and (iodoaryl)-substituted alkynals 9 and 10 to give the products 5, 6, 8, 11 and 12 respectively is described. ... Isolated total yields, not optimised, of chromatographically ...