3-amino-2-benzoylacrylic acid derivatives and a process for...

C - Chemistry – Metallurgy – 07 – D

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260/285, 260/266

C07D 401/10 (2006.01) C07D 295/145 (2006.01)

Patent

CA 1255678

ABSTRACT Novel 3-amino-2-benzoyl-acrylic acid derivatives of the formula Image in which R1 represents the nitrile group, an ester group -COOR4 or carboxamide group Image R4 denoting C1-C6-alkyl, and R5 and R6 representing C1-C3-alkyl, R2 and R3 each represent a C1-C6-alkyl radical or together with the nitrogen atom to which they are bonded, a 5- or 6-membered heterocyclic ring, X represents halogen, X1 denotes hydrogen, methyl, nitro or halogen, X2 denotes halogen, and X3 denotes hydrogen or halogen, are prepared by reacting Image with Image . The products can be converted into known antibacterials.

491695

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