Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun uncountable The condition of being
regioselective - noun countable The degree to which a reaction if regioselective
Etymologies
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Examples
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However, when the researchers tethered a silyl ether-a group containing silicon, oxygen, and hydrocarbon atoms-to the end of the triple-bonded carbon substrate, the carbometalation proceeded with extremely high regioselectivity; over 99% of the final product was isolated as a single chemical isomer.
Nano Tech Wire 2010
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What is difficult, though, is controlling the regioselectivity of the catalytic addition-the precise positions where the organic and metal units add to the unsaturated carbon bonds.
Nano Tech Wire 2010
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Further experiments revealed that the combination of a silyl ether tether group and a scandium-based catalyst enabled controllable carbometalation on numerous unsaturated organic molecules-in many cases, with higher regioselectivity than any other catalyst.
Nano Tech Wire 2010
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When the team first attempted carbometalation with the scandium catalyst and a typical triple-bonded carbon molecule, it achieved only moderate regioselectivity, similar to other transition metal catalysts.
Nano Tech Wire 2010
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What is difficult, though, is controlling the regioselectivity of the catalytic addition-the precise positions where the organic and metal units add to the unsaturated carbon bonds.
Nano Tech Wire 2010
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Further experiments revealed that the combination of a silyl ether tether group and a scandium-based catalyst enabled controllable carbometalation on numerous unsaturated organic molecules-in many cases, with higher regioselectivity than any other catalyst.
Nano Tech Wire 2010
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When the team first attempted carbometalation with the scandium catalyst and a typical triple-bonded carbon molecule, it achieved only moderate regioselectivity, similar to other transition metal catalysts.
Nano Tech Wire 2010
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A comparison of regioselectivity and rate of con - version with calculated molecular orbital substrate characteristics.
Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009
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2153-2161 (1985) [13] Schwab, J.M.; Li, W.; Thomas, L.P.: Cyclohexanone oxygenase: stereochem - istry, enantioselectivity, and regioselectivity of an enzyme-catalyzed Baeyer-Villiger reaction.
Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009
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