About 50 results
Open links in new tab
  1. Difference between Epimers and Diastereomers

    Apr 21, 2016 · My lecture notes describe epimers as compounds which differ by configuration at only one carbon and gives the example of D-erythrose and D-threose as being epimers. However isn't …

  2. Are Anomers Epimers? - Chemistry Stack Exchange

    Aug 28, 2018 · epimers are the class of stereoisomers which differ along configuration at any carbon in a carbohydrate (generally), And anomers are the kind of stereo isomers that differ at the carbonylic …

  3. Are glucose and galactose cis-trans isomers of each other?

    May 20, 2017 · The three structures below all have the same molecular formula and the same connectivity, but differ in the absolute configuration at a single stereocentre (this is the definition of …

  4. organic chemistry - Converting structures into Fisher projections ...

    Sep 26, 2022 · The CX2 C X 2 epimer of D-glucose is D-mannose wherein the -OH group at CX2 C X 2 is axial. Now your right hand structure has some issues. It is a heptapyranoside as shown in …

  5. Steroid nomenclature: β-sitosterol - Chemistry Stack Exchange

    Feb 8, 2017 · Can someone tell me why β-sitosterol has the beta prefix? What is it denoting? When comparing its structure to other similar phytosterols I see no need for it.

  6. Monosaccharides configurations (alpha beta, D L) identification

    It’s easy to understand your frustrations, however you need to understand the basic stereochemistry and conformations of sugars. A monosaccharide is designated D if the hydroxyl group on the highest …

  7. organic chemistry - Do tert-butylcyclohexanes with a leaving group ...

    Jun 10, 2020 · Background Elimination of 1-bromo-tert-butylcyclohexane is a prototypical example of how important the anti periplanar relationship is for E2. From Organic Chemistry: Structure, …

  8. What's the difference between alpha-glucose and beta-glucose?

    Dec 11, 2013 · What's the difference between α α -D-glucose and β β -D-glucose? Are they isomers? Or do they differ in their elemental composition?

  9. Revision - Chemistry Stack Exchange

    While one might think that β-sitosterol is an epimer of α-sitosterol, differing by configuration at C-3 (with $\ce {-OH}$ group), it does not seem to be the case. There are various products and their isomers of …

  10. How do ions conduct electricity? - Chemistry Stack Exchange

    Jun 22, 2020 · I mean to ask what do ions actually do while conducting electricity? Do they simply take up the electrons and transport it? If it is so, I do not understand how anions can take up more …