cheminform abstract: reaction of organometallic compounds with polyfluorinated benzene derivatives:...

2000 diphenylmethane derivatives diphenylmethane derivatives Q 0710 48 - 118 Reaction of Organometallic Compounds with Polyfluorinated Benzene Derivatives: Synthesis of 1-[3-(2,4-Difluorobenzoyl)-phenyl]-propan- 1-one. — Three methods for the preparation of (V) are compared. When reacting (III) or (VIII) with 2,4-difluorobenzoyl chloride (IV), a small amount of a decarbonylation product is observed. Thus, the reaction sequence (VI) → (X) → (V) is preferred. — (MARTI, JOSEP; BALLART, BERTA; VELASCO, DOLORES; LOPEZ-CALAHORRA, FRANCISCO; Synth. Commun. 30 (2000) 16, 3023-3030; Dep. Quim. Org., Fac. Quim., Univ. Barcelona, E-08028 Barcelona, Spain; EN) 1

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Page 1: ChemInform Abstract: Reaction of Organometallic Compounds with Polyfluorinated Benzene Derivatives: Synthesis of 1-[3-(2,4-Difluorobenzoyl)-phenyl]-propan-1-one

2000 diphenylmethane derivatives

diphenylmethane derivativesQ 0710

48 - 118Reaction of Organometallic Compounds with Polyfluorinated BenzeneDerivatives: Synthesis of 1-[3-(2,4-Difluorobenzoyl)-phenyl]-propan-1-one. — Three methods for the preparation of (V) are compared. Whenreacting (III) or (VIII) with 2,4-difluorobenzoyl chloride (IV), a small amount ofa decarbonylation product is observed. Thus, the reaction sequence (VI) → (X)→ (V) is preferred. — (MARTI, JOSEP; BALLART, BERTA; VELASCO,DOLORES; LOPEZ-CALAHORRA, FRANCISCO; Synth. Commun. 30(2000) 16, 3023-3030; Dep. Quim. Org., Fac. Quim., Univ. Barcelona, E-08028Barcelona, Spain; EN)

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