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Topic: Acetoacetate

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Acetoacetic acid

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	Ketosis: Mystery or Misconception?
		It happened simply because the only available test at that time detected 3-hydroxybutyrate (which, in fact, is not a ketone body at all but here it doesn't matter) in diabetic urine.
		Acetone on the other hand is a ketone and is present in blood and urine when the plasma concentration of acetoacetate is elevated.
		In 1967, the streamline health sciences developed a so-called enzymatic method of analysis of acetoacetate and 3-hydroxybutyrate, which led to the dramatic finding that the human brain, while in the condition of prolonged starvation, was able to use ketone bodies.
	bestlowcarbs.com /article1067.html (641 words)

	A method for quantitating the contributions of the pathways of acetoacetate formation and its application to diabetic ...
		A method for quantitating the contributions of the pathways of acetoacetate formation and its application to diabetic ketosis in vivo -- Ohgaku et al.
		A method for quantitating the contributions of the pathways of acetoacetate formation and its application to diabetic ketosis in vivo
		carbon 3 of acetoacetate is the measure of the formation of acetoacetate
	www.jbc.org /cgi/content/abstract/257/16/9283 (327 words)

	Acetoacetate functionalized polymers and monomers useful for crosslinking formulations - Patent 4408018
		A method in accordance with claim 1 wherein said polymer is an acrylate polymer and in which said acetoacetate moiety is introduced by copolymerization of a member of the group consisting of HEMA acetoacetate and HEA acetoacetate during the polymerization of the monomers forming said acrylate polymer.
		The reaction of acetoacetic ester with an acrylic acid ester in the presence of a strong base illustrates the Michael Reaction.
		The organic materials suitable for use in crosslinking polymers containing the acetoacetate moiety are polyacrylates having at least two groups of the structure ##STR3## pendantly attached to an organic radical selected from the group consisting of alkyl, aryl, alkyl-aryl and polymeric radicals.
	www.freepatentsonline.com /4408018.html (1615 words)

	Acetoacetic acid - Wikipedia, the free encyclopedia
		Acetoacetic acid (also known as 3-oxobutanoic acid or diacetic acid) is a beta-keto acid of the keto acid group, its empirical formula is C
		When ketone bodies are measured by way of urine concentration, acetoacetic acid, along with beta-hydroxybutyric acid or acetone, is what is detected.
		Nitroprusside changes from pink to purple in the presence of acetoacetate, the conjugate base of acetoacetic acid, and the colour change is graded by eye.
	en.wikipedia.org /wiki/Acetoacetate (210 words)

	U.S. Patent: 5162572 - Process for preparation of nitroacetate - November 10, 1992
		A process according to claim 12 wherein the alkyl acetoacetate is ethyl acetoacetate and the nucleophile is ethanol.
		It has been discovered that anhydrous nitration of acetoacetate can be accomplished by reacting alkyl acetoacetate and an acid anhydride with nitric acid at low temperatures, optionally in the presence of an acidic catalyst, to obtain high yields of nitroacetoacetates which can be readily cleaved by addition of a nucleophile to form alkyl nitroacetates.
		Alkyl acetoacetates suitable for use in the invention have the formula ##STR1## wherein R is an alkyl or cycloalkyl group of one to 18 carbon atoms, preferably one to 12 carbon atoms.
	www.everypatent.com /comp/pat5162572.html (2570 words)

	Ketone bodies - Wikipedia, the free encyclopedia
		The three ketone bodies are acetoacetate, beta-hydroxybutyrate and acetone.
		Acetone is formed from spontaneous decarboxylation of acetoacetate.
		Both acetoacetate and beta-hydroxybutyrate are acidic, and, if levels of these ketone bodies are too high, the pH of the blood drops, resulting in ketoacidosis.
	en.wikipedia.org /wiki/Ketone_bodies (493 words)

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