Ortho substituted benzaldehydes, preparation thereof and use thereof

Ortho substituted benzaldehydes, preparation thereof and use thereof

Compounds of the formula (I):in which X =H or F, X =H or F, and Y=Cl, Br or I, are prepared by reacting, in a solvent or solvent mixture at a temperature below -60° C., a halobenzene of the formula (II) with an organic lithium compound and then with a formyl equivalent of the formula (III):and may b...

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Bibliographische Detailangaben
Hauptverfasser: SCHMIDT WOLFGANG, WINGEN RAINER
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Compounds of the formula (I):in which X =H or F, X =H or F, and Y=Cl, Br or I, are prepared by reacting, in a solvent or solvent mixture at a temperature below -60° C., a halobenzene of the formula (II) with an organic lithium compound and then with a formyl equivalent of the formula (III):and may be used as starting materials for preparing agrochemicals, electronic materials and pharmaceuticals.