Synthese und Charakterisierung von 1,3,5-Hexahydrotriazin-Komplexen des Mo° und Movl

Organo-substituted 1,3,5-hexahydrotriazine complexes of the type (RNCH 2)3M o(CO ) 3 (R = CFI3, / C 3 H 7 and CH2C6H5) are obtained by ligand displacement from 7 6-C7H 8M o(CO ) 3 in high yields. These products have been characterized by 'H. 13C, 95Mo NMR, IR as well as mass spectroscopy and contain an electron-rich M o(C O ) 3 center bonded to the 1,3,5-hexahydrotriazine 6 e donor via three M o -N bonds. Oxidation of the Mo° com ­ plex l,3,5-(C H 3NCH2)3M o(CO ) 3 with H20 2 under carefully controlled conditions allows iso­ lation of 1,3,5-(CH3NCH 2)3M o 0 3 containing a Movl center. Chemical and spectroscopic properties of these complexes are compared with those of related Mo complexes with neutral macrocyclic ligands containing N 3 donor sets.