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thioester    
硫酯

硫酯


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  • Thioester - Wikipedia
    General structure of a thioester, where R and R' are organyl groups, or H in the case of R In organic chemistry, thioesters are organosulfur compounds with the molecular structure R−C(=O)−S−R’
  • What Is a Thioester Bond and Why Is It Important?
    The thioester bond is a prime example When a thioester is hydrolyzed, it breaks into a thiol and a carboxylic acid, releasing substantial free energy that the cell can use to power other reactions One reason for this high-energy character is the relative weakness of the carbon-sulfur bond compared to the carbon-oxygen bond in an ester
  • CHEM 440 - Thioesters - Gonzaga University
    In contrast to the various acyl derivatives employed in organic synthesis, one key derivative - the thioester - plays a disproportionately large role in metabolism The most common thioesters are based on phosphopantetheine (which is the biochemically active form of the pantothenate), which includes coenzyme A ("A" for acylation)
  • 2. 12: Thioesters- Biological Carboxylic Acid Derivatives
    Thioesters are biologically important carboxylic acid derivatives Acetyl coenzyme A is an important thioester in metabolism and transports two carbon atoms to the Citric Acid Cycle (Kreb's …
  • 20. 9: Thioesters: Biological Carboxylic Acid Derivatives
    Thioesters are biologically important carboxylic acid derivatives Acetyl coenzyme A is an important thioester in metabolism and transports two carbon atoms to the Citric Acid Cycle (Kreb's …
  • 21. 8: Chemistry of Thioesters and Acyl Phosphates - Biological . . .
    As mentioned in the chapter introduction, the substrate for a nucleophilic acyl substitution reaction in living organisms is generally either a thioester (RCOSR′) or an acyl phosphate (RCO 2 PO 3 2 – or RCO 2 PO 3 R′ –) Neither is as reactive as an acid chloride or acid anhydride, yet both are stable enough to exist in living organisms
  • Thioester - an overview | ScienceDirect Topics
    A thioester is a biochemical acyl transfer reagent that is more reactive than esters, allowing for efficient transfer of acyl groups in cells due to its stability towards hydrolysis and reactivity towards nucleophiles
  • Intro to Thioesters Explained: Definition, Examples, Practice . . . - Pearson
    In organic chemistry, thioesters are a class of compounds that contain a sulfur atom bonded to an acyl group To name a thioester, it is essential to identify the substituents and the parent chain correctly In this case, the thioester has a sulfur atom attached to a phenyl group, which is derived from benzene
  • Thioester - wikidoc
    A thioester forms when a sulfhydryl (whose general form is written as an organic group, R, bonded with sulfur and hydrogen, hence R-SH) joins with a carboxylic acid (R'-COOH) A molecule of water (H 2 O) is released in the process, and what remains is a thioester: R-S-CO-R'





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