hydrogenchloride in water HCl added to suspn. of PdCl2 in H2O, soln. of ethylenediamine in H2O added dropwise, warmed to 60°C; filtered, pH adjusted to 2 by HCl, stored at 0°C for 2 h, filtered, dried, pH of soln. adjusted to 2, stored for 2 h, dried in vac.; elem. anal.;

in dimethyl sulfoxide 100°C, 10 min; monitored by (1)H NMR;

hydrogenchloride in not given (Pd(C2H4(NH2)2)2)(PdCl4)is dissolved in excess ethylenediamine with cautious heating; pptn. with dild. HCl soln. from weakly yellow colored soln.;;

sodium perchlorate; sodium chloride in water 25°C; UV monitoring; not isolated, detected by UV;

in hydrogenchloride dropwise addn. of 1 equiv. en (in 0.05 M HCl) to K2PdCl4 (in 0.1 M HCl),stirring at 60°C for 1 h; crystn. on cooling (two crops); elem. anal.;

(CH2NH2)2 in water H.D.K. Drew, H.J. Tress, J. Chem. Soc., 1935,1244; F. Basolo, J.C. Bailar, jun., B.R. Tarr, J.Am.Chem.Soc., 1950,72,2433; F. Basolo, H.B. Gray, R.B. Pearson, J.Am.Chem.Soc., 1960, 82,4200;aq. soln. of amine added dropwise to stirred aq. soln. of K2PdCl4; filtered immediately, futher amine added, procedure repeated until no more Pd(en)Cl2 pptd., washed (cold H2O, abs.EtOH, Et2O), dried in air; by keeping low concn. of amine and filtering of Pd(en)Cl2 the yield of pink Pd(en)2)(PdCl4) was kept to min.;;

in not given byproducts: ethylenediamine; react. of (Pden2)Cl2 with dild. HCl soln.;;

in ethanol; benzene byproducts: {Pd(P(C4H9)3)2Cl2}; on react. with en in soln. of benzene and alc., pptg. of (PdenCl2), on concg. of filtrate, obtaining of (Pd(P(C4H9)3)2Cl2);;

in water Kinetics; React. at 25°C and pH 4-5.;

in water with hot H2O, forming of (PdenCl2);;