in benzene to soln. of the complex in a Schlenk flask added phenylacetyl chloride (purified on a basic alumina column) (N2), stirred (2 h), solvent removed; spect. detection of the soln.;

in dichloromethane Schlenk techniques under N2 used, HSnPh3 (0.194 mmol) added to CH2Cl2 soln. of IrCl(CO)(PPh3)2 (0.038 mmol), stirred for 7 h; solvent removed in vac., washed with hexane, redissolved in CH2Cl2, filtered, concd., hexane added, allowed to stay at -20°C for 30 min, ppt. collected, washed with hexane; XRD;

in benzene 20°C, 48 h; filtered, evapd., stored at 5°C, 12 h, ppt. washed with cold benzene and ether, recrystd. from benzene, elem. anal.;

in benzene 20°C, 48 h;

85 percent aq. H3PO4 in tetrahydrofuran N2-atmosphere; Ru/Ir molar ratio 1/1; stirring (room temp., 1 h), evapn.(vac.), treatment with 85 percent aq. H3PO4; washing (hexane), extn. (CH2Cl2), ext. evapn. (vac.), column chromy. (SiO2, hexane (Ru3(CO)12), hexane/CH2Cl2 6/1 and 4/1), band repurifn. by preparative TLC (hexane/CH2Cl2 6/1), pure compd. crystn. (hexane/CH2Cl2, 4°C); elem. anal.;

in hexane N2-atmosphere; slight excess of Ru-compd.; stirring (reflux, 1 h); evapn. (vac.), column chromy. (SiO2, hexane (Ru3(CO)12), hexane/CH2Cl2 6/1 (1st and 2nd product) and 3/1, CH2Cl2);

in tetrahydrofuran N2-atmosphere; 4 equiv. of Ru-compd.; stirring (room temp., 1 h), evapn.(vac.), washing (hexane), extn. (CH2Cl2), ext. evapn. (vac.), column ch romy. (SiO2, hexane (Ru3(CO)12), hexane 6/1 and 4/1), combined 2nd and 3rd band hydrogenation; preparative TLC (SiO2, hexane/CH2Cl2 4/1), 1st band (Ru3(CO)12), 2nd band (Ru4-compd.), 3rd band (1st product, recrystn. from hexane/CH2Cl2 at 4°C), 4th band (2nd product);

in tetrahydrofuran N2-atmosphere; 1.2 equiv. of Ru-compd.; stirring (room temp., 1 h); column chromy. (SiO2, hexane (Ru3(CO)12), hexane/CH2Cl2 6/1, CH2Cl2), fraction evapn., fraction repurifn. by preparative TLC (hexane/CH2Cl2 5/1);