Isatins (1H-indole-2, 3-dione) are synthetically versatile substrates, where they can be used
for the synthesis of a large variety of heterocyclic compounds, such as indoles and …

Abstract A series of 2, 3-dihydrophthalazine-1, 4-dione derivatives with triazole (6a–y) and
other heterocyclic substituents (8a–b, 9a–b, 10a–b, 12a–b, and 14a–b) was synthesized …

A new, simple and sensitive spectrophotometric method for the determination of some
phenothiazine drugs has been developed. The proposed method is based on the reaction of …

Heterocyclic compounds containing nitrogen group have large area in nature, and their
utilizationis becoming progressively important as biologically active pharmaceuticals …

This book provides the most comprehensive, current reference on the synthetic chemistry of
cinnolines and phthalazines. Applications to the syntheses of natural products and other …

Introduction: This study deals with a new methodology of on-line solid-phase extraction
(SPE), derivatization reaction and spectrophotometric measurement utilizing sequential …

Experimental design optimization approach was utilized to develop a sequential injection
analysis (SIA) method for promazine assay in bulk and pharmaceutical formulations. The …

An indirect, fast, sensitive spectrophotometric method for the assay of phenothiazines is
described. The procedure is based on the oxidation of phenothiazines by a known excess of …

Isatin (1H-indole-2, 3-dione) is a synthetically versatile substrate, where it can be used for
the synthesis of a large variety of heterocyclic compounds, such as indoles and quinolines …