Topic
Reagent
About: Reagent is a research topic. Over the lifetime, 60091 publications have been published within this topic receiving 1234928 citations. The topic is also known as: reagens.
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TL;DR: In this paper, the reaction of readily available N-benzylbenzamide (1) with a slight excess of BuLi produces a deep blue dianion, which can be used as a stoichiometric reagent to titrate n-BuLi, s-BuLDA, and t -BuLi with good precision.
161 citations
TL;DR: Acetylation of the product of zine and acetic acid reduction of 2′,7′-dichlorofluorescein yielded a nonfluorescent material that was stable to autoxidation and has a potential use as a reagent for the determination and detection of materials that oxidation or catalyze its oxidation to the fluorescent state.
161 citations
TL;DR: In this paper, a model of diffusion controlled mass transfer in liquid surfactant membranes is developed for uniform emulsion globules having no internal circulation, where the solute is assumed to react instantaneously and irreversibly with the internal reagent at a reaction surface which advances into the globule as the reagent is consumed.
Abstract: A model of diffusion controlled mass transfer in liquid surfactant membranes is developed for uniform emulsion globules having no internal circulation. The solute is assumed to react instantaneously and irreversibly with the internal reagent at a reaction surface which advances into the globule as the reagent is consumed. A perturbation solution to the resulting non-linear equations is presented. In general, the zero-order, or pseudo-steady state solution alone often gives an adequate representation of the process. Experimental data on the batch extraction of phenol from waste water are in good agreement with the model predictions.
161 citations
TL;DR: The need for further sample preparation after derivatization with TFAA-NMIM was thereby eliminated, and detection limits of less than 20 pg ml-1 ivermectin could be achieved with 1 ml of plasma by a considerably simpler analytical procedure.
161 citations
TL;DR: The readily available and inexpensive BINOL in combination with Ti(O(i)Pr)(4) is found to catalyze the reaction of an alkynylzinc reagent with various types of aldehydes to generate chiral propargyl alcohols with 91-99% ee at room temperature.
160 citations