sodium hydroxide in water 1.5 h; Ambient temperature;

sulfur

hydrazine hydrate in ethanol 0.5 h; Ambient temperature;

1: C24H20B(1-)*C27H39AuClN*K(1+); hydrazine / chloroform-d1 / 14 h / 90 °C / sealed tube; Inert atmosphere 2: chloroform-d1 / 2 h / 150 °C / Inert atmosphere 3: chloroform-d1 / 24 h / 150 °C / Inert atmosphere View Scheme

sulfur

pyridine 16 h; Ambient temperature;