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- Title
ESPECES TRICOORDINEES DU GROUPE 14 A LIGAND BASE DE SCHIFF. (BASE DE SCHIFF)M=E (M = Ge, Sn; E = N-SiMe<sub>3</sub>, S, Se).
- Authors
Agustin, Dominique; Rima, Ghassoub; Gornitzka, Heinz; Barrau, Jacques
- Abstract
The reactions of the divalent species L2M (L2 = tetradentate Schiff base; M = Ge, Sn) with Me3SiN3, elemental S8 or Se have resulted in the isolation of the new stable formal metallanimines, metallanethiones and -selones L2M=E (E = N-SiMe3, S, Se). All these compounds have been physicochemically and chemically characterized. Their reactions with 3,5-di-tert-butyl-1,2-benzoquinone produced new dioxametalloles. A substitution reaction of chalcogen (S/Se) has been observed indicating that the energies of the M=Se bonds are lower than those of the M=S bonds. The molecular structure of the stannylene (Salen)Sn was determined by X-ray cristallographic analysis; in this compound the tin atom has a distorted square pyramidal geometry with the Salen ligand occupying the base plane.
- Publication
Main Group Metal Chemistry, 1999, Vol 22, Issue 12, p703
- ISSN
0792-1241
- Publication type
Article