Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The formation of one or more rings in a chemical compound, especially a hydrocarbon.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry The process of
cyclizing , of becoming or causing to becomearomatic . - noun chemistry Any
reaction that results in theformation of aring .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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While environmentally friendly or so-called "green" chemistry has become all the rage in the chemical community, no human chemist can yet match what a single jellyfish gene directs: 238 ordered condensations + 1 cyclization + 1 oxidation, all done in a few minutes in aerated water with no protecting groups, only one slightly toxic byproduct, and essentially 100% yield of an extremely useful product that literally glows green.
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The fluorescent moiety is an imidazolone ring structure that is formed by the posttranslational cyclization of a tripeptide, ser65-tyr66-gly67.
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In diene synthesis the two chains attach themselves to four or two carbon atoms to form a ring, which thus contains six atoms; this number is particularly favourable to cyclization.
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The problem is known as strand cyclization, but Hud and his team discovered that using a molecule that binds between neighboring base pairs of DNA, known as an intercalator, can bring short pieces of DNA and RNA together in a manner that helps them create much longer molecules.
Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7
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The firm explained that hydrolysis, oxidation, polymerization, isomerization and cyclization are common chemical reactions in frying oil that produce both volatile and nonvolatile compounds.
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Creatine Magna Power - A molecule that protects the creatine from cyclization (providing more active creatine), as well as increasing the co-absorbtion of magnesium.
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Here we show that circular proteins can be made reversibly with excellent efficiency by means of a sortase-catalyzed cyclization reaction, requiring only minimal modification of
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The first step (hydroxylation) is separated from the latter two (oxidative cyclization and desaturation) by the action of EC
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Thus cyclic diynes of 8-10 member size as well as aza-enediynes have been shown to efficiently undergo Bergman cyclization under the induction of light, metal ions or elevated temperature due to their low activation barrier
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Prins cyclization, which got me out of a tight spot in my first year of grad school (I've been grateful ever since).
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