Phosphate ester definition
WebJan 4, 2024 · An ester is an organic compound where the hydrogen in the compound's carboxyl group is replaced with a hydrocarbon group. Esters are derived from carboxylic acids and (usually) alcohol. While carboxylic acid has the -COOH group, the hydrogen is replaced by a hydrocarbon in an ester. The chemical formula of an ester takes the form … Webphosphate. any salt or ester of phosphoric acid. adj., adj phosphat´ic. Phosphates are widely distributed in the body, the largest amounts being in the bones and teeth. They are continually excreted in the urine and feces and must be replaced in the diet. Inorganic phosphates function as buffer salts to maintain the acid-base balance in blood ...
Phosphate ester definition
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Webn. Any of several organic compounds containing phosphate, some of which are used as fertilizers and pesticides. or′gan·o·phos′phate adj. The American Heritage® Medical … Webphosphatase. an enzyme that catalyses the release of phosphate from a molecule. For example, in the mammalian liver phosphorylated glucose can be broken down to glucose …
WebPhosphatidates are lipids in which the first two carbon atoms of the glycerol are fatty acid esters, and the 3 is a phosphate ester. The phosphate serves as a link to another alcohol-usually ethanolamine, choline, serine, or a … WebThe phosphate group attached to the 5' carbon of the sugar on one nucleotide forms an ester bond with the free hydroxyl on the 3' carbon of the next nucleotide.
http://www.chem.ucla.edu/~harding/IGOC/P/phosphate_ester.html Webester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most common. The term ester was introduced in the first half of the 19th century by German chemist Leopold Gmelin. Carboxylic acid esters, formula RCOOR′ (R and R′ are any organic combining …
In organic chemistry, organophosphates (also known as phosphate esters, or OPEs) are a class of organophosphorus compounds with the general structure O=P(OR)3, a central phosphate molecule with alkyl or aromatic substituents. They can be considered as esters of phosphoric acid. Like most functional … See more Alcoholysis of POCl3 Phosphorus oxychloride reacts readily with alcohols to give organophosphates. This is the dominate industrial route and is responsible for almost all organophosphate … See more Guanitoxin is a naturally occurring organophosphate produced by cyanobacteria. The detection of OPEs in the air as far away as Antarctica … See more History Early pioneers in the field include Jean Louis Lassaigne (early 19th century) and Philippe de Clermont (1854). In 1932, German chemist … See more Poisoning Many "organophosphates" are potent nerve agents, functioning by inhibiting the action of … See more The phosphate esters bearing OH groups are acidic and partially deprotonated in aqueous solution. For example, DNA and RNA are polymers of the type [PO2(OR)(OR') ]n. … See more Today, organophosphates make up about 50% of the killing agents in chemical pesticides. Organophosphate … See more Flame retardants (FRs) are chemicals that have been used on diverse consumer materials to prevent combustion and to delay the spread of fire after ignition. The increased demand … See more
In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid, aka. phosphoric acid H3PO4. The phosphate or orthophosphate ion [PO 4] is derived from phosphoric acid by the removal of three protons H . Removal of one or two protons gives the dihydr… henrik ravn yangjameeWebn. Any of several organic compounds containing phosphate, some of which are used as fertilizers and pesticides. or′gan·o·phos′phate adj. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. organophosphate a phosphate with insecticidal … henrik smithsgatan 7Web8 rows · Chemically, phosphate esters can be called organic salts of orthophosphoric acid … henrik sinding abrahamsenWebn. 1. A salt, ester, or anion of phosphoric acid, derived by removal or replacement of one, two, or especially all three of the hydrogens of phosphoric acid. 2. A fertilizer containing … henrik smithsgatan 8bWebEster and Ether Formation. The -OH groups on a monosaccharide can be readily converted to esters and ethers. Esterfication can be done with an acid chloride (Section 21.4) or acid anhydride (Section 21.5), while treatment with an alkyl halide by a Williamson ether synthesis (Section 18.2) leads to the ether. henrik shah gholianWebA class of enzymes called polymerases to catalyze, or accelerate, the formation of phosphodiester bonds. Phosphodiester bonds in a polynucleotide chain form an … evil bunny rabbitWebany salt or ester of any phosphoric acid, esp a salt of orthophosphoric acid (often plural) any of several chemical fertilizers containing phosphorous compounds Derived forms of … henrik smithsgatan 5