1.Reaction of anhydrous YCl_3 with 1 equiv. of LLi (L=PhNC(Me)CH(Me)NPh) in toluene-THF at room temperature gave the β-diketiminate lanthanide dichloride LYCl_2(THF)_2 in good yield.
2.The crystal and molecular structures of methylene and ethylene bis(dimethy ldithiocarbamate), (Me 2NCS 2) 2CH 2(Ⅰ) and Me 2NCS 2CH 2,CH 2S 2CNMe 2 (Ⅱ) have been determined by X ray crystallography.