ADDUCTS OF TRIMETHYLGALLIUM AND PERDEUTERIOTRIMETHYLGALLIUM WITH AMINE LIGANDS AND SOME DIMETHYLGALLIUM ORGANYL PNICTIDES (N,P,AS) - X-RAY CRYSTAL-STRUCTURES OF [ME3GA.NH(C6H11)2] AND [ME3GA.NH(CHME)(CH2)3CHME]

The adducts Me3Ga·L [where L = NH(C6H11)2 (1), NHCHMe(CH2)3CHMe (2), N(CH2CH2)3CH (3) and 0.5 N(CH2CH2)3N (4)] have been prepared by displacement of either (a) ether from Me3Ga·Et2O or (b) diphos from (Me3Ga)2·diphos (diphos = bisdiphenyl phosphino ethane) and the X-ray crystal structures of 1 and 2 determined. (CD3)3Ga and the adducts (CD3)3Ga·L [L= NMe3, NH(C6H11)2, NHCHMe(CH2)3CHMe and N(CH2CH2)3CH], were similarly prepared from [(CD3)3Ga]2·diphos. The covalently bonded dimethylgallium organyl pnictides (Me2GaL′)n [L′= NPri2, NCHMe(CH2)3CHMe, PMe2 and AsMe2] were prepared by reactions of either (c) Me2GaCl and LiL′ or (d) Me3Ga·Et2O and HL′. All compounds were characterized by elemental analyses, IR, NMR and mass spectroscopy. The Ga geometry in both 1 and 2 is distorted tetrahedral. © 1990.