TY - JOUR
T1 - Facile synthesis of alkaline-earth-metal β-diketonates and the structure of the loose dimer [{Ca(hfpd)2}2(heptaglyme)] [hfpd = F3CGOCHCOCF3 and heptaglyme = Me(OCH2CH2)7OMe]
AU - Arunasalam, V. Cumaran
AU - Baxter, Ian
AU - Drake, Simon R.
AU - Hursthouse, Michael B.
AU - Malik, K. M.Abdul
AU - Miller, Stewart A.S.
AU - Mingos, D. Michael P.
AU - Otway, David J.
PY - 1997/4/21
Y1 - 1997/4/21
N2 - The reaction of the Group 2 metal hydroxides, oxides or carbonates in 95% ethanol in the presence of a suitable glyme ligand L-L [i.e. Me(OCH2CH2)nOMe, n = 3, 4 or 7] and a β-diketone, has yielded either [M(γ-diket)2(L-L)] or [{M(β-diket)2}2(L-L)] [M = Mg-Ba; β-diket = Htmhd (2,2,6,6-tetramethylheptane-3,5-dione), Hhfpd (1,1,1,5,5,5-hexafluoropentane-2,4-dione), Hdppd (1,3-diphenylpropane-1,3-dione) or Hfod (1,1,1,2,2,3,3-heptafluoro-7,7-dimethyloctane-4,6-dione, L-L = tri-, tetra- or hepta-glyme)]. The crystal structure of the complex [{Ca(hfpd)2}2(heptaglyme)] has been determined, revealing it to contain two Ca(hfpd)2 units linked by a glyme ligand in an unusual symmetrical bridging/chelating mode.
AB - The reaction of the Group 2 metal hydroxides, oxides or carbonates in 95% ethanol in the presence of a suitable glyme ligand L-L [i.e. Me(OCH2CH2)nOMe, n = 3, 4 or 7] and a β-diketone, has yielded either [M(γ-diket)2(L-L)] or [{M(β-diket)2}2(L-L)] [M = Mg-Ba; β-diket = Htmhd (2,2,6,6-tetramethylheptane-3,5-dione), Hhfpd (1,1,1,5,5,5-hexafluoropentane-2,4-dione), Hdppd (1,3-diphenylpropane-1,3-dione) or Hfod (1,1,1,2,2,3,3-heptafluoro-7,7-dimethyloctane-4,6-dione, L-L = tri-, tetra- or hepta-glyme)]. The crystal structure of the complex [{Ca(hfpd)2}2(heptaglyme)] has been determined, revealing it to contain two Ca(hfpd)2 units linked by a glyme ligand in an unusual symmetrical bridging/chelating mode.
UR - https://www.scopus.com/pages/publications/33748725534
U2 - 10.1039/a606467a
DO - 10.1039/a606467a
M3 - Article
AN - SCOPUS:33748725534
SN - 1470-479X
SP - 1331
EP - 1335
JO - Journal of the Chemical Society. Dalton Transactions
JF - Journal of the Chemical Society. Dalton Transactions
IS - 8
ER -