... All the other reactants were purchased from Sigma-Aldrich or from Alpha-Aesar. Yields of the pure (GC, MS, 1H NMR, 13C NMR) isolated products 9, 10 and 11 are reported in Tables 2, 5, 6, 7. Structures and purity of the Page 13. General Papers ARKIVOC 2012 (ix) 262-279 ...