(i) Assign the stereogenic centers in the molecule with the asteriskE (ii) Assign priority or preference of the groups attached to the chirality center (stereogenic center) Describe the chirality centers using R and/or S descriptors (iii)
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- Give the full name of the compound include the configuration of the chirality center. Pls also give the enantiomer and diastereomer(R) of it in fisher projection.In the molecule in the image: i) indicate how many stereogenic centres there are and if the molecule is overall chiral or not ii) assign the appropriate stereodescriptors to the moleculesDraw a three-dimensional structure for each compound and denote the chiral carbon with an asterisk (*).Determine whether the molecule has an internal plane of symmetry. If it does not, draw the mirror plane on a three-dimensional drawing of molecule and determine whether the structure is chiral or achiral.
- For the following molecule a)Identify the chiral centers b)assign the order of priority to the substituents c) the corresponding stereochemistry.A limited number of chiral compounds having no stereogenic centers exist. For example, although A is achiral, constitutional isomer B is chiral. Make models and explain this observation. Compounds containing two double bonds that share a single carbon atom are called allenes. Locate the allene in the antibiotic mycomycin and decide whether mycomycin is chiral or achiral.what is the chiral configuration at marked chiral centre? The left one is S and the right one is R but I don't understand how to decide it
- Provide an example of a molecule that has 4 chirality centres, but does not have 16 stereoisomers. Why doesn’t this molecule have 2n stereoisomers? Explain.1. draw the most stable chair form of (1R,2R)-1-ethyl-2-methylcyclohexane 2. in the following chiral compound, the stereogenic center is denoted by C*. assign the priorities to the groups attached to C* using the Cahn-Ingold-Prelog system. please show your work (the image goes with question 2)Find an example of a chiral molecule in biology whose enantiomers have markedly different functions. Where is the chiral center located, and how can it be identified? Find and include an image of its molecular structure. What function does the active enantiomer play biologically, and how is this function hindered or changed with the other enantiomer? Are there any synthetic considerations for this molecule?
- Identify the absolute configuration of the centers of chirality in each of the following compounds as R or S. If two centers of chirality are present, indicate the configurations as: RR, SS, RS, or SR.(Don't give handwritten solution)The original definition of meso is “an achiral compound that has chiral diastereomers.” Our working definition of meso is “an achiral compound that has chiral centers (usually asymmetric carbon atoms).” The working definition is much easier to apply because we don’t have to envision all possible chiral diastereomers of the compound. Still, the working definition is not quite as complete as the original definition. Show how cis-cyclooctene is defined as a meso compound under the original definition, but not under our working definition.The following compound has only one asymmetric center. Why then does it have four stereoisomers?