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Dibenzoylmethane CAS Registry Number: 120-46-7 二苯甲酰甲烷


CAS Name: 1,3-Diphenyl-1,3-propanedione
Additional Names: phenyl-a-hydroxystyryl ketone; w-benzoylacetophenone; phenyl phenacyl ketone; g-hydroxychalkone
Percent Composition: C 80.34%, H 5.39%, O 14.27%
📌 参考资料/链接:
Literature References: Prepd by the action of sodium methylate on benzylideneacetophenone dibromide: Allen et al., Org. Synth. coll. vol. I (2nd ed., 1941) p 205.

📄 详细内容


Properties: Orthorhombic plates, tablets from petr ether, mp 80°. bp18 219-221°. 100 parts alc dissolve 4.43 parts at 19°. Sol in ether, chloroform, aq NaOH. Equilibrium mixtures in methanol, alcohol, and glacial acetic acid contain 96-98% of the enol form.
Melting point: mp 80°
Boiling point: bp18 219-221°
Derivative Type: Monoxime
Percent Composition: C 75.30%, H 5.48%, N 5.85%, O 13.37%
Properties: Prepd by adding 4 mols hydroxylamine to 1 mol dibenzoylmethane in alcohol. Prisms from ether, mp 165°. Sparingly sol in cold alcohol.
Melting point: mp 165°
产品链接: 120-46-7››