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Alkylation of Carboxylate Salts of Acidic Herbicides for Gas Chromatographic Analysis
Abstract The methyl esters of 2-methoxy-3, 6-dichlorobenzoic acid and three phenoxyacetic acids were prepared by the admixture of an excess of both methyl iodide and anhydrous alkali-metal carbonateExpand
Oxindole-3-spiropyrrolidines and -piperidines. Synthesis and local anesthetic activity.
The coincidence of the least variability in the relative positions of basic nitrogen, amide carbonyl, and aromatic ring (compounds 1 and 6) with lowest normalized toxicity is noteworthy. Expand
Regulatory approach to determination of lysine in feedstuffs by liquid chromatography with fluorescence detection via precolumn dansylation
La lysine totale, apres hydrolyse, est dansylee et separee sur colonne C18 et elution isocratique. La detection s'effectue par fluorescence ; l'acide diaminobutyrique est utilise comme etalonExpand
Synthesis and cytotoxic activity of latentiated derivatives of 3-methyleneoxindole.
Several latentiated derivatives of 3-methyleneoxindole were synthesized and examined for cytotoxic activity, and six were tested against P-388 lymphocytic leukemia; all were inactive. Expand
Confirmation and Analysis of s-Chlorotriazines by Derivatization with Pyrrolidine
Abstract Atrazine and simazine were analyzed and confirmed via their pyrrolidino derivatives by gas chromatography on SPWax-10 megabore column using a NP-detector and propazine as the internalExpand
In-Block Benzylation of Phenols by Benzyldimethylphenylammonium Chloride
Abstract Phenol, 2, 4, 5-trichlorophenol, 2, 3, 4, 6-tetrachlorophenol, pentachlorophenol, p.-nitrophenol, 2-naphthol, 8-hydroxyquinoline (Bioquin), and 2, 6-dibromo-4-cyanophenol (Bromoxynil) wereExpand
Preparation of Amides of Carboxylic Acid Herbicides for Gas Chromatographic Analysis
Abstract Amides of 14 carboxylic acid herbicides were prepared by reacting the free acid with the amine in toluene for 1 hr at 80[ddot]C in the presence of PCl3 or P2I4. The acids includeExpand
Stability-indicating capillary gas-liquid chromatographic assay of dicyclomine hydrochloride in some pharmaceutical formulations
Abstract A stability-indicating assay method for some dicyclomine hydrochloride formulations was developed utilizing capillary gas—liquid chromatography. A methanolic extract of the sample,Expand