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Topic: Carboxylic acid

	Carboxylic acid - Wikipedia, the free encyclopedia
		Alkene oxidatative cleavage by potassium permanganate or chromic acid.
		Alkylbenzene oxidation of potassium permanganate to benzoic acids.
		Carboxylic acids are decarboxylated in the Hunsdiecker reaction and α-brominated in the Hell-Volhard-Zelinsky halogenation.
	en.wikipedia.org /wiki/Carboxylic_acid (867 words)

	The MSDS HyperGlossary: Carboxylic Acid
		When a carboxylic acid is neutralized with a base it becomes a salt that is itself a weak base.
		Examples of carboxylic acids you routinely encounter include ascorbic acid (vitamin C), acetic acid (vinegar is a 5% aqueous solution of vinegar), and citric acid (responsible for the sourness/tartness of citrus fruits).
		Carboxylic acids are generally weak acids, but that does not mean that they can not be corrosive or pose other hazards.
	www.ilpi.com /msds/ref/carboxylicacid.html (488 words)

	Process for recovering a carboxylic acid - United States Patent 4,323,702
		A process for recovering carboxylic acids with a material of which the main component is a polymeric compound having a pyridine skeletal structure and a crosslinked structure, followed by desorbing the captured carboxylic acids by use of a desorbing agent.
		The process of the present invention for capturing carboxylic acids is characterized by use of a polymeric compound having a pyridine skeletal structure and a crosslinked structure, as the main component of the capturing material for the process.
		Thus, 26% of the acetic acid adsorbed on the polymer was eluted with 48 ml of ethyl acetate.
	xrint.com /patents/us/4323702 (3574 words)

	Carboxylic acid
		As the name implies, they are acids; the two electronegative oxygen atoms tend to pull the electron away from the hydrogen of the hydroxyl group and the remaining proton can more easily leave.
		Carboxylic acids are typically only weak acids, with only around 1% of RCOOH molecules dissociated into ions at room temperature in aqueous solution.
		Carboxylic acids react with bases to form carboxylate salts, in which the hydrogen of the -OH group is replaced with a metal ion.
	www.wordlookup.net /ca/carboxylic-acid.html (483 words)

	Carboxylic Acid Reactivity
		The carboxyl functional group that characterizes the carboxylic acids is unusual in that it is composed of two functional groups described earlier in this text.
		Acetic acid is ten times weaker an acid than formic acid (first two entries in the second row), confirming the electron donating character of an alkyl group relative to hydrogen, as noted earlier in a discussion of carbocation stability.
		Reactions in which the hydroxyl group of a carboxylic acid is replaced by another nucleophilic group are important for preparing functional derivatives of carboxylic acids.
	www.cem.msu.edu /~reusch/VirtualText/crbacid1.htm (3475 words)

	Process for producing carboxylic acid chloride - Patent 5278328
		The process for producing carboxylic acid chloride as claimed in claim 1, wherein the monomer copolymerizable with the monomer of formula (I) or (II) is at least one compound selected from the group consisting of styrene, acrylonitrile, methyl acrylate, methyl methacrylate, ethyl methacrylate, and divinylbenzene.
		The present invention relates to a process for producing a carboxylic acid chloride by reacting phosgene with a carboxylic acid or an anhydride thereof, particularly in the presence of a polymer as a catalyst.
		The process according to the present invention comprises charging a carboxylic acid, an inactive solvent, and a polymer for use as the catalyst in a pertinent reactor equipped with a stirrer, and then heating the resulting mixture to the reaction temperature.
	www.freepatentsonline.com /5278328.html (1811 words)

	Carboxylic Acids (Site not responding. Last check: 2007-10-22)
		Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water.
		Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides.
		Formic acid, acetic acid, oxalic acid, propionic acid, trichlorophenoxyacetic acid, benzoic acid, citric acid, fumaric acid, the fatty acids.
	www.epa.gov /ceppo/cameo/help/chapte4i.htm (467 words)

	AS/A2 Structure, Naming of Carboxylic Acids, Derivatives at Doc Brown's Chemistry Clinic. wpbchemhelp
		The suffix part of the name is based on the carboxylic acid, but the "…oic acid" becomes "…oate" eg ethyl ethanoate, methyl ethanoate, pentyl butanoate etc. (lots of isomeric permutations as the total C number rises).
		In the diagram, the R group is derived from the carboxylic acid and the R' group from the alcohol or phenol
		The 'lowest' numbers are determined by assigning number 1 to the carbon of the carboxylic acid (or other derived) group at the end of the longest C atom chain.
	www.wpbschoolhouse.btinternet.co.uk /page06/RCOOHderivs.htm (430 words)

	HighBeam Encyclopedia - carboxylic acid (Site not responding. Last check: 2007-10-22)
		C2+ carboxylic acids by catalytic carbonylation of methanol with rhodium.
		A kinetic study of the reaction of epoxidized rubber and carboxylic acids.
		Resolution of flurbiprofen enantiomers by preparative chiral supercritical fluid chromatography: use of preparative SFC for separation of carboxylic acid enantiomers allows fast purification without the possibility of esterification by mobile phase components.
	www.encyclopedia.com /html/x/x-carbxyl-ac.asp (246 words)

	Carboxylic Acid Linkers
		The carbonyl group is attached by the nucleophilic displacement of the chloride with a cesium carboxylate salt in DMF.
		Cleavage to regenerate the carboxylic acid is usually achieved by hydrogen fluoride.
		The second class of linker used for carboxylic acid is the Wang linker.
	www.combichemistry.com /linker.html (249 words)

	Category:Carboxylic acids - Wikipedia, the free encyclopedia
		In chemistry, carboxylic acids are acids characterized by the presence of a carboxyl group.
		They can be made by the complete oxidation of primary alcohols - this means the alcohol group is at the end of the molecule.
		Molecules containing such a functional group are also called carboxylic acids or organic acids.
	en.wikipedia.org /wiki/Category:Carboxylic_acids (117 words)

	Carboxylic Acids
		The remaining issue with carboxylic acids is to understand why they are acidic.
		Consequently the conjugate carboxylic acid is stronger than one whose conjugate base doesn't have the resonance possibility.
		The somewhat paradoxical outcome of this is that carboxylic acids are stronger acids than alcohols because carboxylate ions, their conjugate bases, are weaker bases than alkoxides.
	chemistry2.csudh.edu /rpendarvis/carbacid.html (1336 words)

	Carboxylic (Acid): Skin Care Australia (Site not responding. Last check: 2007-10-22)
		Carboxylic acid is an organic acid containing a carboxyl group.
		The simplest examples are methanoic (or formic) acid and ethanoic (or acetic) acid.
		It is a colourless irritant volatile acid made catalytically from carbon monoxide and steam.
	www.treatment-skincare.com /Glossary/pH/Carboxylic.html (221 words)

	carboxylic acid
		carboxyl group - carboxyl group, in chemistry, functional group that consists of a carbon atom joined to an oxygen...
		amide - amide, organic compound formed by reaction of an acid chloride, acid anhydride, or ester with an...
		oxalic acid - oxalic acid or ethanedioic acid, HO2CCO2H, a colorless, crystalline organic carboxylic acid that...
	www.infoplease.com /ce6/sci/A0911443.html (201 words)

	Carboxylic Acid Derivatives
		In the mechanism we just looked at, the key steps (attack of a nucleophile and departure of a leaving group) were accompanied by steps in which protons moved from one location to another.
		That means that the whole reaction represents an equilibrium in which significant amounts of carboxylic acid and alcohol co-exist with ester and water.
		If we remove water from the reaction mixture, more ester is formed because carboxylic acid and alcohol react to replace the water we have removed.
	chemistry2.csudh.edu /rpendarvis/carboxder.html (1158 words)

	W0309: Unusual Hydrogen Bonding in Quinoline Carboxylic Acid Compounds
		Instead of forming typical carboxylic acid dimers, these compounds share hydrogen atoms between the carboxylate and quinoline oxygen atoms, forming an infinite hydrogen bond network.
		For 1 and 2 the resultant solid-state structures are an average of acid and hydroxyl tautomers.
		In the case of 3, the hydrogen atom lies much closer to the quinoline oxygen, suggesting that this compound exists solely as the hydroxyl form.
	www.hwi.buffalo.edu /ACA/ACA00/abstracts/text/W0309.html (150 words)

	esm_organic_wade_5\|Carboxylic Acid Derivatives\|Introduction (Site not responding. Last check: 2007-10-22)
		Carboxylic acid derivatives are compounds with functional groups that can be converted to carboxylic acids by a simple acidic or basic hydrolysis.
		Acid derivatives can be reduced by strong reductants like lithium aluminum hydride.
		Many polymers use acid derivatives as their linkage between monomers.
	wps.prenhall.com /esm_organic_wade_5/0,5577,349394-,00.html (163 words)

	Chapter 20: Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution
		The carboxylic acid derivatives are a family of closely related functional groups:
		the relative reactivity of the carboxylic acid derivatives.
		Summary of Reactions that Interconvert Carboxylic Acids Derivatives
	library.tedankara.k12.tr /carey/ch20-0.html (140 words)

	Dietary supplement carboxylic acid derivative (Site not responding. Last check: 2007-10-22)
		There was only a little gap left through which we could run, but now he is little Zach, began to cry most clamorously.
		That I had really startled poor Theobald into a bolder use of his long-, Gobo was lying close to.
		dietary supplement carboxylic acid derivative you would admit that even a, as all of us do at times.
	homestead.com /wolfsden3/dietary-supplement-carboxylic-acid-derivative (289 words)

	Carboxylic Acid Practice Problems
		Using your knowledge of resonance and induction, draw the conjugate base of each of the following carboxylic acids and rank the acids by their relative acidity.
		Following are many of the reagents used to perform reactions on carboxylic acids.
		Select the carboxylic acid reaction type occurring upon addition of these reagents.
	www.cem.msu.edu /~cem252/sp97/ch19/ch19practice.html (147 words)

	TAC - Thiazolidine-4-Carboxylic Acid - The Cure for Cancer?
		Further research revealed that this acid is a bit more toxic than the authors of this article initially thought, and because of this toxicity it has been impossible, in the past, to administer orally (by swallowing) 'mega-doses' of this acid.
		This acid is composed of harmless L-Cysteine (one half) and poisonous formaldehyde (one half).
		Her use of nitrogen isotopes to study metabolism - the chemical processes by which energy is provided for the body - resulted in the discovery of argininosuccinic acid, a substance formed by a sequence of reactions that take place in the liver.
	cancercure.ws /tac-cure.htm (9553 words)

	Tetrahydronorharman-3-carboxylic Acid (Site not responding. Last check: 2007-10-22)
		To process your order we need your details, so please fill in and click on "Submit Order".
		Boc-L-Tpi-OH N-alpha-t-Butyloxycarbonyl-1,2,3,4-tetrahydronorharman-L-3-carboxylic acid/ M.W. 316,36 g/mol / [66863-43-2]
		Boc-D-Tpi-OH N-alpha-t-Butyloxycarbonyl-1,2,3,4-tetrahydronorharman-D-3-carboxylic acid/ M.W. 316,36 g/mol / [123910-26-9]
	www.iris-biotech.de /tetrahydronorharman-3-carboxylic-acid.htm (89 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #6441025 - Thermolysis of carboxylic acid salts
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987); ;CARBOXYLIC ACID SALTS-- PYROLYSIS; CHEMICAL REACTION KINETICS;EXPERIMENTAL DATA;ORGANIC COMPOUNDS;TEMPERATURE DEPENDENCE
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=6441025 (106 words)

	Chem2Pharm - CYCLOPROPYL CARBOXYLIC ACID (Site not responding. Last check: 2007-10-22)
		You are here: Home / Products / Intermediates / CYCLOPROPYL CARBOXYLIC ACID
		We can supply Pyrallol (High Purity) at competitive prices.
		[ CHEMICAL NAME ] : 1-cyclopropyl-6-fluoro-7-chloro-1,CYCLOPROPYL CARBOXYLIC ACID
	www.chem2pharm.com /index/interm_CYCLOPROPY (110 words)

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