KOH in methanol byproducts: Kacac; methanolic soln. of acacH (3.318 mmol) and KOH (2.370 mmol) added dropwise to methanolic suspn. of Pt compd. (0.474 mmol) at room temp., stirredfor 1 h, stored for 3 d; evapd., extd. (CHCl3), filtered (to remove KCl, Kacac), pptd. (pentane),filtered off, washed pentane, dried (vac.), elem. anal;

in chloroform-d1 (N2, Schlenk technique); reaction of platinum compd. and 1 equiv. of phosphine deriv. in CDCl3; NMR;

in chloroform-d1 (N2, Schlenk technique); reaction of platinum compd. and 1 equiv. of phosphine deriv. in CDCl3; NMR;

in chloroform-d1 (N2, Schlenk technique); reaction of platinum compd. and 1 equiv. of phosphine deriv. in CDCl3; NMR;