43146
1,5-Diphenyl-1,3,5-pentanetrione
≥98.0% (T)
Synonym(s):
1,3-Dibenzoylacetone
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About This Item
Linear Formula:
C6H5COCH2COCH2COC6H5
CAS Number:
Molecular Weight:
266.29
Beilstein:
2054189
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Assay
≥98.0% (T)
mp
107-109 °C
functional group
ketone
phenyl
SMILES string
O=C(CC(=O)c1ccccc1)CC(=O)c2ccccc2
InChI
1S/C17H14O3/c18-15(11-16(19)13-7-3-1-4-8-13)12-17(20)14-9-5-2-6-10-14/h1-10H,11-12H2
InChI key
MUNGMRPYTCHBFX-UHFFFAOYSA-N
General description
1,5-Diphenyl-1,3,5-pentanetrione (H2DBA, DBAc) is a symmetrical triketone.1,3,5-triketones are potential tridentate ligands and forms complexes with transition metals, lanthanides and actinides. It acts as ligand and forms binuclear cobalt complex with CoCl2.6H2O. The interaction of two intramolecular hydrogen bonds in 1,5-diphenyl-1,3,5-pentanetrione has been studied. H2DBA can be synthesized by condensation reaction between ethyl benzoate and benzoyl acetone. DBAc arranged in stretched polyethylene (PE) sheets has been investigated by infrared linear dichroism (LD) spectroscopy.
Other Notes
Versatile triketone, used e.g. for the synthesis of heterocyclic compounds; Preparation of complexes with transition metals
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Electronic states of 1, 6, 6aλ4-trithiapentalene and its 2,5-dimethyl and 2,5-diphenylderivatives. Ultraviolet-visible linear dichroism spectroscopy and time-dependent density functional theory calculations.
Spanget-Larsen J.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 58(10), 2245-2255 (2002)
Infrared linear dichroism on 1,5-diphenyl-1,3,5-pentanetrione aligned in stretched polyethylene.
Andersen KB.
Acta Chemica Scandinavica, 52, 1171-1176 (1998)
Some novel triorganotin(IV) derivatives of β,δ-triketones.
Kumar A, et al.
Polyhedron, 2(9), 907-916 (1983)
Structure and magnetism of a binuclear 1, 3, 5-triketonate complex of cobalt (II), bis (1, 5-diphenyl-1, 3, 5-pentanetrionate) tetrapyridinedicobalt (II) tetrapyridine.
Kuszaj JM, et al.
Inorganic Chemistry, 12(6), 1297-1303 (1973)
Mutual influence of two intramolecular hydrogen bonds in 1, 3, 5-triketones.
Zheglova DK, et al.
Journal of Molecular Structure, 195, 343-349 (1989)
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