How many stereoisomers exist for the following compound? It is helpful to draw them all out in determining your answer. Record your answer as a number (e.g. 99). Ph NH2 Ph NH2 신
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- Draw all possible stereoisomers for each of the following compounds (a-e). Four copies of the compound are provided in the sketch box. Using the wedge and dash tools, modify the given structures to draw all possible stereoisomers. If there are fewer than four stereoisomers, delete any extra structure(s) that aren't needed (each possible stereoisomer should be drawn only once). To delete a drawing, double-click on it to select the structure, and press the delete key (or use the eraser tool). CH₂ CH3 CH3 CH3 CH3 ✔ Edit Drawing CH₂ CH3 x CH3a. Draw the 14 constitutional isomers of molecular formula C8H9Cl that contain a benzene ring.b. Name all compounds that contain a trisubstituted benzene ring.c. For which compound(s) are stereoisomers possible? Draw all possible stereoisomers.a. Draw the 14 constitutional isomers of molecular formula C8H9Cl that contain a benzene ring. b.Name all compounds that contain a trisubstituted benzene ring. c.For which compound(s) are stereoisomers possible? Draw all possible stereoisomers.
- How many asymmetric centers are present in a molecule of 2,4,6-trimethylheptane? please answer me7. Draw the two chair conformations for the molecule below. Given the corresponding energy values, place the conformations in the appropriate boxes. Substituent AG° (eq→ ax) (kcal/mol) -CN -CH, 0.2 NEC 1.7 less stable chair more stable chair Clearly explain why the energy barrier associated with a nitrile group (-CN) moving from an equatorial position to an axial position is much lower than for a methyl group (-CH3).1a. How many stereogenic centers are present 1c. Draw a three-dimensional structure of a in the structure below? Indicate them with asterisk(s). How many stereoisomers stereoisomers are possible? chiral compound with the molecular formula of C4H4Cl₂ that does not have a stereogenic carbon. In addition, draw the enantiomer of this compound. Number of stereogenic centers: Number of stereoisomers possible: 1b. Draw one of the two most stable stereoisomers of the compound in 1a using a planar structure with wedges and dashes. Now draw it in its preferred chair conformation. 1d. Draw two meso compounds with the molecular formula of C7H14.
- Shown below is Streptomycin, an antibiotic medication used to treat a number of bacterial infections, including tuberculosis, plague, and endocarditis. Neomycin B has broad-spectrum antibacterial activity. Circle and label as many functional groups in these molecules as you can. Label each chiral carbon in Streptomycin. How many total stereoisomers exist for Streptomycin? Label each chiral carbon in Neomycin B. How many total stereoisomers exist for Neomycin B?Determine the R/S configuration of each chiral center in the molecules shown below. (Do not include lone pairs as an attachment when identifying the chiral centers.)Enter your answer in the box provided. The [a] of pure quinine, and an antimalarial drug, is –165. If a solution contains 70% quinine and 30% of its enantiomer, what is the ee of the solution? HO, N. CH,0 N. quinine (antimalarial drug) % ee
- 2. Which of the following compound(s) are meso? Write the Roman numeral(s) in the box below. OH OH OH OH OH || OH ||| IVIndicate whether the pair of structures shown represent stereoisomers, constitutional isomers, different conformations of the same compound, or the same conformation of a compound viewed from a different perspective. Note that cis, trans isomers are an example of stereoisomers. CI H H " & " H H CH3 НО. CH3 Submit Answer OH Н. H H CH3 HO H Retry Entire Group CI CH3 OH different conformations ✓ 2 more group attempts remainingHow many of the stractures show the identical stereoisomer? H. CHs CH, H Cl CH CH, 日 CI H CI H CI
