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Alternatively acetamide can be obtained in excellent yield via ammonolysis of acetylacetone under conditions commonly used in reductive amination. [10] It can also be made from anhydrous acetic acid, acetonitrile and very well dried hydrogen chloride gas, using an ice bath, alongside more valuable reagent acetyl chloride. Yield is typically low ...
First, the mixture is treated with anhydrous hydrogen chloride in a Pinner reaction, producing crystals of acetimido ethyl ether hydrochloride: H 3 C−C≡N + C 2 H 5 OH + HCl → H 3 C−C(=NH·HCl)−OC 2 H 5. The imino ether salt is then treated with an excess of ammonia in dry ethanol, converting the ether to the amidine:
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Acetazolamide, sold under the trade name Diamox among others, is a medication used to treat glaucoma, epilepsy, acute mountain sickness, periodic paralysis, idiopathic intracranial hypertension (raised brain pressure of unclear cause), heart failure and to alkalinize urine.
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A solution of lithium chloride in DMAc (LiCl/DMAc) can dissolve cellulose. Unlike many other cellulose solvents, LiCl/DMAc gives a molecular dispersion, i.e. a "true solution". For this reason, it is used in gel permeation chromatography to determine the molar mass distribution of cellulose samples.
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