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Reactions with 3-Hydroxy-2-methoxycarbonylthiophene; I. Synthesis of 3-Thienyloxyacetic Acid and its (Nuclear) Chloro and Bromo Derivatives
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1984
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3-Thienyloxyacetic AcidHalogenationChemical EngineeringPar ActionDerivativesEngineeringPar NbsOrganic ChemistryStereoselective SynthesisChemistryI. SynthesisHalogenation Sur L'heterocycleSynthetic ChemistryEnantioselective SynthesisBiomolecular EngineeringBromo Derivatives
Par action d'halogenoacetates sur des hydroxy-3 thiophenecarboxylates-2 suivie d'hydrolyse des esters, puis de decarboxylation en 2, synthese d'acides thienyl-3oxyacetiques. Halogenation sur l'heterocycle en position 2 par NBS ou NCS