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benzaldehyde

4-pyridinecarboxaldehyde

acid ( 1 )

1-p-fluorophenyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid

→

1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(4-pyridylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid

1-p-fluorophenyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(4-methylbenzylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid

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실험 절차

In the described fashion of Example 1 replacing benzaldehyde with 4-pyridinecarboxaldehyde and using the acid (1) (R=ethyl) described in Example 13 one obtains 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(4-pyridylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid (3) (R=ethyl, Z=4-pyridine).

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