When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Cyclopentadiene - Wikipedia

    en.wikipedia.org/wiki/Cyclopentadiene

    Cyclopentadiene is a highly reactive diene in the Diels–Alder reaction because minimal distortion of the diene is required to achieve the envelope geometry of the transition state compared to other dienes. [11] Famously, cyclopentadiene dimerizes. The conversion occurs in hours at room temperature, but the monomer can be stored for days at ...

  3. Aromatization - Wikipedia

    en.wikipedia.org/wiki/Aromatization

    The process, which is catalyzed by platinum supported by aluminium oxide, is exemplified in the conversion methylcyclohexane (a naphthene) into toluene (an aromatic). [2] Dehydrocyclization converts paraffins (acyclic hydrocarbons) into aromatics. [3] A related aromatization process includes dehydroisomerization of methylcyclopentane to benzene:

  4. Diels–Alder reaction - Wikipedia

    en.wikipedia.org/wiki/Diels–Alder_reaction

    There is a notable rate enhancement when certain Diels–Alder reactions are carried out in polar organic solvents such as dimethylformamide and ethylene glycol, [13] and even in water. [14] The reaction of cyclopentadiene and butenone for example is 700 times faster in water relative to 2,2,4-trimethylpentane as solvent. [14]

  5. Van der Waals constants (data page) - Wikipedia

    en.wikipedia.org/wiki/Van_der_Waals_constants...

    To convert from / to /, divide by 1000. a (L ... Benzene: 18.24 0.1193 Bromobenzene: 28.94 0.1539 ... Water: 5.536 0.03049 Xenon: 4.250 0.05105

  6. Sandmeyer reaction - Wikipedia

    en.wikipedia.org/wiki/Sandmeyer_reaction

    The Sandmeyer reaction can also be used to convert aryl amines to phenols proceeding through the formation of an aryl diazonium salt. In the presence of copper catalyst, such as copper(I) oxide , and an excess of copper(II) nitrate , this reaction takes place readily at room temperature neutral water. [ 28 ]

  7. Azeotrope tables - Wikipedia

    en.wikipedia.org/wiki/Azeotrope_tables

    This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.

  8. What’s the healthiest tea to drink? The benefits of ... - AOL

    www.aol.com/lifestyle/healthiest-tea-drink...

    Made by steeping fresh or dried ginger in hot water, ginger tea is caffeine-free like other herbal teas. Health benefits: Few studies have examined the effects of ginger tea specifically, ...

  9. Cyclopentene - Wikipedia

    en.wikipedia.org/wiki/Cyclopentene

    Cyclopentadiene Cyclobutene: Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ...