Application of oxidative coupling reactions for the estimation of ritodrine hydrochloride in bulk sample and dosage forms

Determination of ritodrine in human plasma by high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry

“…To our best knowledge, some methods have been developed for the determination of ritodrine. These methods included fluorimetry [3], spectrophotometry [4][5][6][7][8][9][10][11][12], and high-performance liquid chromatography (HPLC) with spectrophotometric detection [13][14][15][16][17] and fluorescence detection [18]. Although some of these methods were sensitive, they could not be directly applied to the assay of ritodrine in human plasma.…”

Synthesis, spectral characterization and catalytic applications of Ru(II) complexes with amide ligands

“…The lack of reports on the ruthenium-catalyzed hydrolysis methods led to the development of the present method in basic medium with lesser hydrolysis times. The percent yields of HRS and HNS were determined spectrophotometrically by coupling them with 3-methylbenzothiazolinone hydrazone (MBTH) reagent in the presence of sodium metaperiodate [20][21].…”

Simple Sensitive Spectrophotometric Determination of Isoniazid and Ritodrine Hydrochloride

“…Several spectrophotometric procedures for the assay of INH employ sodium 1,2-naphthoquinone-4-sulphonate and cetyltrimethyl ammonium bromide [1]; vanadophosphoric acid [2]; 2,5-diphenyl-3-thiazolyltetrazolium chloride [3]; ohydroxyquinolphthalein-Pd (II)-hexadecyl trimethyl ammonium chloride complex [4]; 6,7-dichloroquinoline-5,8-dione [5]; 1-fluoro-2,4-dinitrobenzene [6]; pbenzoquinone [7]; chloranil or bromanil [8]; Fe(II) and 2,2-dipyridyl [9]; tetrazolium blue chloride [10]; ethyl 8-quinolyloxyacetate [11]; and N-bromosuccinimide with celestine blue [12]. The reported analytical procedures for the estimation of RTH in bulk samples and in unit dosage forms are reviewed in a recent work on the spectrophotometric determination of RTH [13]. Other 1 Thee text was submitted by the authors in English.…”

“…spectrophotometric reagents for determination of RTH are 3-methylbenzothiazolin-2-one hydrazone (MBTH)-Ce(IV) [14] and 4-aminoantipyrine with phenols in the presence of an alkaline oxidizing agent [15]. The recent three methods [13][14][15] for the determination of RTH are based on the use of an oxidizing agent like Ce(IV) or chloramine-T (CAT) with reagents like MBTH; N,N-dimethylamino-paraphenylenediamme (DMPD); 4-aminophenazone; and 4-aminoantipyrine. The use of MBTH-Ce(VI) may be preferable [13,14].…”

“…The recent three methods [13][14][15] for the determination of RTH are based on the use of an oxidizing agent like Ce(IV) or chloramine-T (CAT) with reagents like MBTH; N,N-dimethylamino-paraphenylenediamme (DMPD); 4-aminophenazone; and 4-aminoantipyrine. The use of MBTH-Ce(VI) may be preferable [13,14]. Bakry et al [16] have determined RTH with 2,6-dihaloquinone chlorimides.…”