Difference between Epimers and Diastereomers
Apr 21, 2016 · If you have exactly one asymmetric carbon with inverted stereochemistry, then the diastereomer is a special one: an epimer. Anomers (e.g. α- and β-D-glucose) should be …
Are Anomers Epimers? - Chemistry Stack Exchange
Aug 28, 2018 · IUPAC basic terminology of stereochemistry defines anomers and epimers:. Anomers. Diastereomers of glycosides, hemiacetals or related cyclic forms of sugars, or …
organic chemistry - Converting structures into Fisher projections ...
Sep 26, 2022 · The $\ce{C2}$ epimer of D-glucose is D-mannose wherein the -OH group at $\ce{C2}$ is axial. Now your right hand structure has some issues. It is a heptapyranoside as …
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 …
organic chemistry - Diastereomers, enantiomers, and meso …
Jan 5, 2020 · Open-chain carbohydrates are a good example (compare D-glucose, L-glucose, D-galactose, D-talose etc.). For this class of molecules, there is one more term, epimer (when …
Why tautomers are considered to be the same chemical compound?
Apr 5, 2015 · There are a number of types of rapid chemical equilibria that basically cannot be turned off. Tautomers are probably the best known examples, although fluxional behavior is …
What is the difference between D and L configuration, and + and −?
Jan 26, 2016 · Additional explanation. D-L system (also called Fischer–Rosanoff convention) is mainly used for naming α-amino acids and sugars.
Di-alpha-halogenation of ketones in acidic medium
Jun 8, 2019 · $\begingroup$ Of course the product can be protonated. It can also form an enol. It is just that the enol of the product is less prevalent than the enol of the starting material, and …
organic chemistry - How to draw Fischer projections for carbon …
Jan 12, 2017 · The first things to note when drawing Fischer projections are the general rules for drawing them. The first general rule concerns the choices of ‘top’ and ‘bottom’ while the …
What is the difference between configuration and conformation in ...
Oct 26, 2014 · I understand conformation to be any spacial arrangement of atoms that can be achieved through rotation of a single bond. I understand configuration to be the disposition of …