نتایج جستجو برای: dimethylamine hydrochloride
تعداد نتایج: 44919 فیلتر نتایج به سال:
Background: Tapentadol is a novel centrally acting analgesic. There is no method for the determination of drug content in dosage form without any interference of any excipients and without using the diethylamine content in the mobile phase with UV detection. Methods: A simple, precise, and accurate new reverse-phase high-performance liquid chromatography (RP-HPLC) method was developed and valid...
An improved and efficient method for the synthesis of thioamides is presented. For this transformation, dimethylamine as the key intermediate is generated in situ from dimethylformamide (DMF). All the tested substrates produced the desired products with excellent isolated yields.
The ab ini tio determination of the band structures of infrared spec tra is described giving as examples the methyl torsion and amine wagging in methylamine and the double torsion in dimethylamine. In addition, the influence of the amine hydrogen symmetric bending and the CNC skeleton symmetric bending is considered in methylamine and dimethylamine, respectively. For this purpose, the potential...
OBJECTIVES Microbial keratitis accounts for up to 30% of blindness in some less developed societies. The development of a single broad-spectrum topical antimicrobial effective against bacteria, fungi and Acanthamoeba would have a major impact on reducing the morbidity and simplifying the treatment of microbial keratitis. To this end, the activity of the amidoamine myristamidopropyl dimethylamin...
Consumption of fish has been encouraged recently because it may prevent mortality due to heart disease. Fish contains methylamines, which are precursors of N-nitrosamines. Nitrosamines can act as potent carcinogens in a wide variety of animal species, and there is no reason to assume that humans are resistant. Human subjects (n = 5) ingested a diet of known methylamine content for 2 days. On Da...
Sulfuric acid, amines and oxidized organics have been found to be important compounds in the nucleation and initial growth of atmospheric particles. Because of the challenges involved in determining the chemical composition of objects with very small mass, however, the properties of the freshly nucleated particles and the detailed pathways of their formation processes are still not clear. In th...
The abilities of ammonia and related compounds to inactivate poliovirus were compared. Compounds virucidal at pH 9.5 had the following order of activities: ethylamine greater than propylamine, dimethylamine, methylamine greater than ammonia greater than 2-methoxyethylamine.
The use of 2, 4-D dimethylamine is expanding as a result the rise in glyphosate and paraquat resistance weeds [1]. Instances 2,4D intoxication have been on rise. This herbicide exhibits range dose-dependent harmful mechanisms, including cell membrane destruction, disruption acetyl coenzyme A metabolism, oxidative phosphorylation uncoupling [2]. neurological system, heart, lungs, liver, muscles,...
A mixture of acetaminophen, diphenhydramine hydrochloride and pseudoephedrine hydrochloride is used for the symptomatic treatment of common cold. In this study, a derivative spectrophotometric method based on zero-crossing technique was proposed for simultaneous determination of acetaminophen, diphenhydramine hydrochloride and pseudoephedrine hydrochloride. Determination of these drugs was perf...
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