1: 4-methyl-N'-(3-phenylpropylidene)benzenesulfonohydrazide With sodium methylate; N-benzyl-N,N,N-trimethyl-ammonium chloride in toluene T=20°C; 1 h; Inert atmosphere; 2: 4,4,5,5-tetramethyl-[1,3,2]dioxaborolane in toluene T=90°C; Inert atmosphere;

sodium methylate in methanol; toluene T=90°C; Inert atmosphere;

1.1: sodium hydride / toluene; mineral oil / 1 h / 20 °C / |Inert atmosphere; |Schlenk technique 1.2: 12 h / 110 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube 2.1: potassium hydroxide; Pd[P(t-Bu3)]2 / 1,4-dioxane; water / 6 h / 25 °C / |Inert atmosphere; |Sealed tube 3.1: triphenylphosphine; silver(l) oxide; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 24 h / 90 °C / |Inert atmosphere; |Schlenk technique; |Sealed tube View Scheme

potassium carbonate; triethylamine tris(hydrogen fluoride) in toluene T=110°C; 3 h; Inert atmosphere;

scandium tris(trifluoromethanesulfonate) in dichloromethane 3 h; Heating;

in dichloromethane; toluene 1 h; Heating;

disulfur dichloride in dichloromethane T=20°C; 0.5 h; other reagents (SOCl2, SCl2) and time; Product distribution;

formaldehyd; Amberlyst 15 in water; acetone T=80°C; 21 h;

copper(l) iodide; caesium carbonate in ethylene glycol dimethyl ether T=80°C; 12 h; Inert atmosphere;

sodium azide; tetrabutylammomium bromide; potassium carbonate in 1,4-dioxane T=110°C; 20 h;