in methanol; dichloromethane addn. of NOCl soln. to Ru complex soln.; addn. of hot methanol; vigorously stirring; pptn.; centrifuging; washing (methanol, ether); drying (vac.); keeping centrifugate, 3-4h; pptn.; centrifuging; washing (methanol, ether); drying (vac.); elem. anal.;

hydrogenchloride in dichloromethane anhydrous HCl bubbled through suspn. of complex at room temp., IR control; evapn., anal. ((1)H- and (31)P-NMR);