carbon disulfide; sodium hydroxide; tetrabutylammomium bromide in dichloromethane 2 h; Ambient temperature; Yield given;

<b>Multi-step reaction with 2 steps<br /> </b>1: ethylenediamine / 50 h / Heating<br />2: 23 percent / (Me₂N)2C=N-t-C₄H₉, carbon disulphide<br /> <br /> &nbsp;