HCl in water; acetic acid N2; adding concd. HCl to a flask contg. Pt complex salt, water, glacial acetic acid, heating to reflux, adding norbornadiene, refluxing for 45 min; cooling to 0°C, collecting the solid on a frit, washing with ice cold water, drying under vac;

NaOH; TBACl; N2H4*2HCl in water; 1,2-dichloro-ethane under N2; to mixt. of aq. H2PtCl6, ClCH2CH2Cl, water, TBACl and diene added soln. of NaOH in portions until basic pH of aq. layer; then N2H4*2HCl in H2O added under stirring at room temp/; refluxed for 6 h; aq. layer discarded; ppt. washed with heptane, dried in vac.; elem. anal.;

in 1,2-dichloro-ethane High Pressure; to NBD in CO-saturated 1,2-dichloroethane cis-PtCl2(CO)2 was added (772 Torr at 21.7°C);

in dichloromethane under nitrogen, 41°C, 13 h; molar ratio Pt-complex / Sn-compound 1:2; TLC monitoring, solvent removed (vac.); residue washed (warm petroleum ether; chromy. (silica, CH2Cl2/petroleum ether 2/1, v/v), crystn. from eluant solvent, elem. anal.;

in dichloromethane under nitrogen, 41°C, 96 h,; TLC monitoring, solvent removed (vac.); residue washed (warm petroleum ether; chromy. (silica, CH2Cl2/petroleum ether 2/1, v/v), crystn. from eluant solvent, elem. anal.;

in dichloromethane under nitrogen, 41°C, 13 h,; TLC monitoring, solvent removed (vac.); residue washed (warm petroleum ether; chromy. (silica, CH2Cl2/petroleum ether 2/1, v/v), crystn. from eluant solvent, elem. anal.;

in dichloromethane under nitrogen, 41°C, 72 h,; TLC monitoring, solvent removed (vac.); residue washed (warm petroleum ether; chromy. (silica, CH2Cl2/petroleum ether 2/1, v/v), crystn. from eluant solvent, elem. anal.;

in benzene addn. of DMSO to Pt complex soln.; reducing volume after 2h; pptn.; storing overnight in a vac. desiccator under reduced pressure; crystn.; filtration; washing (ether); drying (vac.); elem. anal.;