SYNTHESIS, CHARACTERIZATION AND REACTION OF THE CLUSTER COMPLEXES CONTAINING TETRAHEDRAL CORE MRUCOSE - THE SINGLE-CRYSTAL X-RAY STRUCTURESOF THE CLUSTERS RUCOMO(CO)(8)(MU(3)-SE)C5H4C(O)R [R = CH3, C6H4C(O)OCH3]
Er. Ding et al., SYNTHESIS, CHARACTERIZATION AND REACTION OF THE CLUSTER COMPLEXES CONTAINING TETRAHEDRAL CORE MRUCOSE - THE SINGLE-CRYSTAL X-RAY STRUCTURESOF THE CLUSTERS RUCOMO(CO)(8)(MU(3)-SE)C5H4C(O)R [R = CH3, C6H4C(O)OCH3], Journal of organometallic chemistry, 559(1-2), 1998, pp. 157-164
Several chiral cluster derivatives RuCoMo(mu(3)-Se)(CO)(8)C5H4C(O)R [R
=H 2, CH3 3, C6H5 4, C6H4C(O)OCH3 5] were synthesized by the thermal r
eaction of the precursor (mu(3)-Se)RuCo2(CO)(9) 1 with the functionall
y substituted cyclopentadienyl tricarbonyl metal complex anions [Mo(CO
)(3)(eta(5)-C5H4)C(O)R](-) without using benzophenone ketyl as initiat
or. Similarly, the reaction of the novel type of dianions ta(5)-C5H4)C
(O)C6H4C(O)(eta(5)C(5)H(4))](CO)(3)MO- With two molecules of cluster 1
gave a terephthaloyl(biscyclopentadienyl) bridged cluster complex (O)
C6H4C(O)(eta(5)C(5)H(4))RuCoMo(CO)(8)(mu(3)-Se) 6. The cluster 3 react
ed with NaBH4 in MeOH to give the secondary alcohol cluster RuCoMo(mu(
3)-Se) (CO)(8)C5H4CH(OH)CH3 7. Cluster 3 reacted with Na2Fe(CO)(4) in
THF under reflux followed by acidic treatment with 40% H3PO4 to yield
the new cluster HRuFeMo(mu(3)-Se)(CO)(8)C5H4C(O)CH3 8. Cluster 3 and 5
have been solved by single-crystal X-ray diffraction. Crystal data fo
r cluster 3: orthorhombic, space group Pbca, a = 26.387(3) Angstrom, b
= 18.273(2) Angstrom, c = 15.963(2) Angstrom, V = 7696(2) Angstrom(3)
, Z = 16 and R = 0.023, wR = 0.027. Crystal data for cluster 5: tricli
nic, space group P (1) over bar, a = 8.200(2) Angstrom, b = 19.631(7)
Angstrom, c = 7.997(2) Angstrom, alpha = 92.50(2)degrees, beta = 108.6
6(2)degrees, gamma = 88.97(2)degrees, V = 1218.5(6) Angstrom(3), Z = 2
and R = 0.054, wR = 0.077. (C) 1998 Elsevier Science S.A. All rights
reserved.