PPh3 in tetrahydrofuran; methanol byproducts: AgCl; AgClO4 in MeOH added to soln. of Au-complex in THF; AgCl filtered off; addn. of PPh3 in THF;; solvent removed; recrystn. (CH2Cl2/Et2O);;

PPh3 in acetone in absence of light, under argon in equimolar amts. stirred for 2 h, concd., pptd. with ether; same results obtained at room temp, or -78°C; recrystd. from chloroform/ether, ppt. filtered; filtrate evapd. to dryness, ((CO)2Rh(μ-Im))y pptd. with methanol/water (1/2);

in dichloromethane byproducts: AgCl; room temp.; molar ratio 1:1, 1 h; filtration off of AgCl, volume reduction, crystn. on Et2O addn.;

in not given at room temp.; not isolated, detected by NMR;

in acetone stirred for 2 h, concd., ether added, Au(PPh3)2ClO4 ppt. recrystd. fom chloroform/ether; filtrate evapd. to dryness; pptd. with methanol/water (1/2);

in diethyl ether byproducts: silver chloride; under N2, stirring for 2h at room temp.; ppt. was filtered off and extd. with CH2Cl2, the insoluble silver chloride was filtered off, filtrate was concd., addn. of n-hexane, ppt. of (Au(P(C6H5)3)2)ClO4, the ether soln. was evapd. and addn. of n-hexane, ppt. of AuC6F5(PPh3);

in dichloromethane byproducts: Et4NClO4;

in acetone equimolar amts., room temp., 24 h; elem. anal.;