An efficient and environmentally benign synthetic protocol has been developed for the
synthesis of benzo [c] pyrazolo [2, 7] naphthyridine derivatives through regioselective multi …

The kinetics of alkaline hydrolysis of 2-chloroquinoxaline (QCl) with hydroxide ion was
investigated spectrophotometrically at different percentages of aqueous–organic solvent …

The reactions of 5-and 7-substituted isatin derivatives (H, Me, Cl, Br) with piperidine in 80%
aqueous methanol gave the corresponding 1-(2'-amino-5'-or 3'-substituted phenyl)-2 …

The kinetics of amide bond cleavage of isatin and N-methylisatin in the presence of N, N-
dimethylacetamide (DMA) was followed spectrophotometrically in the range of solvent …

The rate constant of the reaction of 2-chloroquinoxaline with piperidine was measured
spectrophotometrically using different aqueous solutions containing DMSO or DMF …

The reactions of N-acetyl isatin and N-propionyl isatin with morpholine, piperazine and
diethylamine in acetonitrile underwent nucleophilic substitution reactions at the amide …

The kinetics of amide bond cleavage of isatin and N-methylisatin in the presence of ethanol
was followed spectrophotometrically in the ranges of solvent composition (0-70% v/v) and …

N-Mannich base reaction of 3-hydrazonoindolin-2-one with piperidine in presence of
formaldehyde was followed spectrophotometrically in a wide range of water-acetonitrile and …

Various isatin–N‐Mannich bases have shown antiviral and tuberculosatic activity. A reaction
of 3‐hydrazonoindolin‐2‐one was performed efficiently with morpholine in the presence of …

The alkaline hydrolysis of ziprasidone, an antipsychotic drug substance, yielded a novel
degradation product, the structure of which was initially hypothesized to be a cyclic …