iron sulphate heptahydrate; sulfuric acid; boric acid in water; glycerol T=0 - 150°C;

sulfuric acid; boric acid; iron(II) sulfate; m-nitrobenzene sulfonic acid sodium salt in glycerol T=150°C; 2 h;

boric acid in glycerol

1: tris(dimethylamino)sulfonium trifluoromethoxide With trifluoromethanesulfonic acid trifluoromethyl ester; sodium hydrogencarbonate in tetrahydrofuran T=-50°C; Inert atmosphere; 2: 6-(tributylstannyl)quinoline With AgPF6; F-TEDA-PF6 in tetrahydrofuran; acetone T=-30 - 23°C; Inert atmosphereDarkness;