SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS

Jutzi P, KLEIMEIER J, REDEKER T, Stammler H-G, NEUMANN B (1995)
JOURNAL OF ORGANOMETALLIC CHEMISTRY 498(1): 85-89.

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Abstract
Synthesis, structure and properties of the Grignard compounds [(Me(2)NCH(2)CH(2))C5H4MgBr](2) (1), [(Me(2)NCH(2)CH(2))C(5)Me(4) MgBr](2) (2), [(Me(2)NCH(2)CH(2))C(5)Me(4)MgCl](2) (3) and (Me(2)NCH(2)CH(2))C(5)Me(4)MgBr . THF (4) containing chelating dimethylaminoethyl-cyclopentadienyl ligands are described. Complexes 1-4 are stable in CH2Cl2 and CHCl3 solution; 1 undergoes slow protonation in CHCl3. Complexes 1-3 form halogen-bridged dimeric units; in the monomeric 4a the tetrahydrofuran molecule completes the ligand sphere at the magnesium centre. The crystal structures of 2 and 4 are discussed. The unit cell of 2 contains two different dimeric molecules; species 2a shows symmetric Mg-Br-Mg bridges with Mg-Br distances of 2.57 Angstrom, and in species 2b the Mg-Br-Mg bridges are asymmetric with Mg-Br distances of 2.55 Angstrom and 2.62 Angstrom.
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Jutzi P, KLEIMEIER J, REDEKER T, Stammler H-G, NEUMANN B. SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 1995;498(1):85-89.
Jutzi, P., KLEIMEIER, J., REDEKER, T., Stammler, H. - G., & NEUMANN, B. (1995). SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 498(1), 85-89.
Jutzi, P., KLEIMEIER, J., REDEKER, T., Stammler, H. - G., and NEUMANN, B. (1995). SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS. JOURNAL OF ORGANOMETALLIC CHEMISTRY 498, 85-89.
Jutzi, P., et al., 1995. SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 498(1), p 85-89.
P. Jutzi, et al., “SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS”, JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 498, 1995, pp. 85-89.
Jutzi, P., KLEIMEIER, J., REDEKER, T., Stammler, H.-G., NEUMANN, B.: SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 498, 85-89 (1995).
Jutzi, Peter, KLEIMEIER, J, REDEKER, T, Stammler, Hans-Georg, and NEUMANN, B. “SYNTHESIS, STRUCTURE AND PROPERTIES OF GRIGNARD COMPOUNDS WITH N,N-DIMETHYLAMINOETHYL-SUBSTITUTED CYCLOPENTADIENYL SYSTEMS”. JOURNAL OF ORGANOMETALLIC CHEMISTRY 498.1 (1995): 85-89.
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