Palyi, Gyula; Alberts, Katy; Bartik, Tamas; Boese, Roland; Frater, Georg; Herbrich, Thomas; Herfurth, Anke; Kriebel, Christian; Sorkau, Angela; et al, :

Intramolecular Transmission of Chiral Information: Conformational Enantiomers in Crystalline Organocobalt Complexes Generated by Self-Organization.

In: Organometallics, Jg. 15 (1996) ; Nr. 15, S. 3253-3255
ISSN: 0276-7333
Zeitschriftenaufsatz / Fach: Chemie
Abstract:
The conformations of alkylcobalt tricarbonyl tertiary phosphine complexes, ROC(O)CH2Co(CO)3L (L = PPh3; R = Me, Et, Pr, i-Pr, s-Bu, t-Bu, c-Hex (two modifications), CH2Ph, (S)-{[EtOC(O)]CH(Me)}, (1S,2R,5S)-menthyl, (1R,2S,5R)-menthyl; L = P(1S,2S,5R-menthyl)Ph2, R = i-Pr), were studied in cryst. phases by single-crystal x-ray diffraction. The geometries of the complexes are of a trigonal-bipyramidal type with the noncarbonyl ligands in the two axial positions. The (chiral) conformations of the alkyl ligand and the phosphine group develop concertedly.