enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Butyl group - Wikipedia

    en.wikipedia.org/wiki/Butyl_group

    The effect of the tert-butyl group on the progress of a chemical reaction is called the Thorpe–Ingold effect illustrated in the Diels-Alder reaction below. Compared to a hydrogen substituent, the tert-butyl substituent accelerates the reaction rate by a factor of 240. [2] tert-Butyl effect. The tert-butyl effect is an example of steric hindrance.

  3. Newman projection - Wikipedia

    en.wikipedia.org/wiki/Newman_projection

    A Newman projection is a drawing that helps visualize the 3-dimensional structure of a molecule. [1] This projection most commonly sights down a carbon-carbon bond, making it a very useful way to visualize the stereochemistry of alkanes.

  4. Rotamer - Wikipedia

    en.wikipedia.org/wiki/Rotamer

    Above: Newman projection; below: depiction of spatial orientation. In chemistry, rotamers are chemical species that differ from one another primarily due to rotations about one or more single bonds. Various arrangements of atoms in a molecule that differ by rotation about single bonds can also be referred to as different conformations ...

  5. Gauche effect - Wikipedia

    en.wikipedia.org/wiki/Gauche_effect

    The gauche effect is very sensitive to solvent effects, due to the large difference in polarity between the two conformers.For example, 2,3-dinitro-2,3-dimethylbutane, which in the solid state exists only in the gauche conformation, prefers the gauche conformer in benzene solution by a ratio of 79:21, but in carbon tetrachloride, it prefers the anti conformer by a ratio of 58:42. [9]

  6. n-Butylbenzene - Wikipedia

    en.wikipedia.org/wiki/N-Butylbenzene

    n-Butylbenzene is the organic compound with the formula C 6 H 5 C 4 H 9.Of two isomers of butylbenzene, n-butylbenzene consists of a phenyl group attached to the 1 position of a butyl group.

  7. 29 House Republicans want Trump to scrap the IRS's free ... - AOL

    www.aol.com/29-house-republicans-want-trump...

    A group of Republicans want Donald Trump to end it, saying it's government overreach. ... 12 creative ways to make homemade mac and cheese. Food. Eating Well. 7-day Mediterranean diet meal plan ...

  8. Tetrabutylammonium - Wikipedia

    en.wikipedia.org/wiki/Tetrabutylammonium

    Tetrabutylammonium is a quaternary ammonium cation with the formula [N(C 4 H 9) 4] +, also denoted [NBu 4] + (where Bu = butyl group). It is used in the research laboratory to prepare lipophilic salts of inorganic anions. Relative to tetraethylammonium derivatives, tetrabutylammonium salts are more lipophilic but crystallize less readily.

  9. AOL

    search.aol.com

    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.