in further solvent(s) modified synthesis of Nonoyama, N.; Yamasaki, K.; Inorg. Nucl. Chem. Lett. 1971, 7, 943; powdering and suspending of RhCl3*H2O in 2-methoxyethanol; addn. of excess C5H4NC6H5; stirring at room temperature for 24 h; refluxing for 5 h; filtration;; washing with two portions of ethanol and ether;;

in toluene N2, refluxed for 1 h; cooled to room temp., pptd. hexane, ppt. filtered, washed (hexane), dried (vac.); elem. anal.;