反応 #62923

反応方程式

benzaldehyde

4-hydroxybenzaldehyde

acid ( 1 )

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

→

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

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

反応条件

実験手順

In the described fashion of Example 1 replacing benzaldehyde with 4-hydroxybenzaldehyde and using the acid (1) (R=cyclopropyl) described in Example 19 one obtains 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(4-hydroxybenzylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid (3) (R=cyclopropyl, Z=p-hydroxyphenyl); m.p. 273°-275° C.; Mass Spectrum, M/Z 435. Analytical Calculation for C24H22FN3O4.1/2H2O: C, 66.21; H, 5.06; N, 9.65. Found: C, 64.83; H, 5.01; N, 9.13.

出典