in tetrahydrofuran T=-35 - 20°C;

in not given not isolated;

in not given treating Li alkoxide with CuI;

vacuum sublimation;

in tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of Nd complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;

in tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of La complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;

in tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of t-BuOCu added to a blue-green soln. of Sm complex; ppt. sepd. and washed with 10percent HNO3; ppt. of CuI insoluble in HNO3 sepd. off; remaining soln. concd. and kept at 80° until complete dissolution of a fine ppt.; cooled slowly to ca. 20°; crystal sepd.; dried; identified by elem. anal., IR;

water in tetrahydrofuran N2; room temp.; elem. anal.; GLC;

in tetrahydrofuran N2; 0°C; equiv. amts. in presence of 3 equiv. (CH3)3CNC; GLC;

in tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of t-BuOCu added to a blue-green soln. of Sm complex; ppt. sepd. and washed with 10percent HNO3; ppt. of CuI insoluble in HNO3 sepd. off; remaining soln. concd. and kept at 80° until complete dissolution of a fine ppt.; cooled slowly to ca. 20°; crystal sepd.; dried; identified by elem. anal., IR;