in benzene byproducts: tetramethylsilane; under N2, In-compd. and excess of NaH heated at bath temp. 110°Cfor 2 mo;

in pentane byproducts: SiMe4; The reagents in benzene were combined in a reaction tube, evacuated and heated at 55°C for 7 d;; mixt. was cooled to -78°C, filtered, washed with benzene, recrystd. from pentane at -78°C; elem. anal.;;

in pentane under N2, pentane added to KH, In-compd. (molar ratio 1:3) added, frozen to -196°C, evacuated, warmed to room temp., stirred for 3 d, opened; filtered, washed with pentane, solvent removed, benzene added, warmed to room temp., filtered, solvent removed by vac. distn.;

in not given under Ar; Me3SiCH2Cl (3 equiv.) in THF or hexane or Et2O added slowly (15-30 min) to cooled (-78°C) soln. of InCl3 in THF; stirred for 30min; warmed to room temp.; according to H. C. Clark, A. L. Pickard, J. Organomet. Chem. 8 (1967) 427;