6. Stereochemistry! Determine the R and S configuration of the following Fischer and Chair drawings: ΙΟΙΙ HO- H- -OH -H -OH -OH OH D-Glucose Determine the stereochemical relationship between the following complexes and/or organic structures: CI -P₂2 cis-platin NH NH3 он E J. H₂N ***** -Py²= NH3 trans-platin
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- could you explain the concept of chirality in organic chemistry? I understand what an enantiomer is, also diastereoisomers and meso.....but chirality is somehow not registering(a) Draw all other stereoisomers of the molecule , labelling meso forms (if any), and assign descriptors to chiral carbon atoms. (b) Including molecule below, label pairs of enantiomers and pairs of diastereomers. (c) If you were to distill a mixture of all the isomers, how many fractions could be obtained, and what is in each fraction?Compound W shows stereoisomerism. Why are such isomers formed in approximately equimolar quantities no matter the synthetic pathway used for the preparation of the compound?
- To the right are two enantiomeric natural products with vastly different olfactory properties. I find this example of enantiomeric pairs particularly intriguing, as I love caraway and rye but loathe searment: Answer the questions below with the understanding that an optically pure solution of the (-)-enantiomer of carvone rotates light counterclockwise 60*. a. what would be the observed optical rotation of a solution comprised of a 3:1 ratio of the (+) to (-) enantiomers of carvone? b. a different solution of both carvone enantiomers exhibits an observed optical rotation of -10*. determine the enantiomeric excess for this solution. c. which enantiomer (R or S) is in excess in the solution from (b)? how do you know? d. using your answer (b) above, calculate the actual percentages of each enantiomer in the solution.Draw all the stereoisomers for structures A and B, label each structure as chiral and achiral and give the type of isometric relationship to the original compound be as specific as possible.I had wrote constitutional isomers, since it seemed to me that they were connected differeently, yet my teacher said they were diastereomers. How?
- 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 moleculesThe molecular formula of unknown compound B is C10H16.Quantitative brominationof a 0.473-g sample of compound Brequired 48.22mL of a 0.216MBr2/CCl4to produce a color change. How many rings and pi bonds does compound Bcontain?Include any explanations/calculations to justify your answers.Establish the absolute (R,S) configuration for all stereogenic centers of each of the following structures.
- Chiral alcohols can be converted to chlorides by several pathways. Which is the best way to make the chloride with retention of configuration?What will be the optical rotation of a mixture of equal portions of (+)-MTPA and its enantiomer?After an attempt to resolve a racemate into its enantiomers, the observed rotation is +22.4 degrees per g/L. If the known specific rotation is +24.2 degrees per g/L,, what is the % enantiomeric excess of the compound?