Due in lecture on November, 19th 1. Circle all chiral carbons in the following molecule? (2...
1. a) (2 points) The Fisher projection of molecule A reveals that it has three chiral carbons. What is the maximum number of stereoisomers that a molecule with three chiral carbons can have? b) (18 points) Even though molecule A has three chiral carbon atoms, there are only four stereoisomers: A, B, C, and D. Explain why so few stereoisomers exist, using structures as part our answer. Your answer should take your answer to a) into account. CH,OH CH2OH CH...
Which of the following is the definition of chiral a. The b. The c. A molecule that has a carbon atom with d. A molecule with a mirror image e non-superposability of anbject ono orimage its m superposability of an object on isi bility of an object on its mirror different e with na aro Il that has a carbon atom with four d. A molecule with a mirror image a carbon atom with four different s. Which of the...
Figure 2: How many chiral carbons does this model have? a Does this model have a plane of symmetry? Rotate the central bond to see b. possible conformations before answering/ Yes No Make the mirror image model of this molecule. Are the mirror images identical? Yes No C. dl What is the term for the relationship between these structures? Are these structures chiral €or achiral? Switch two of the groups on one of the carbons of one model, resulting in...
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just need 16-22 explained.
15) How many asymmetric carbons are present in the compound below? ttjus of atoms or greups of Atoms нон-с но Но- ОН Он 16) How many asymmetric carbons are present in the compound below? CO2H Н- OH н- OH CO2H 17) How many asymmetric carbons are present in the compound below? 3-ethyl-2,2,4-trimethylpentane 18) Can the molecule shown below be properly described as a meso compound? 19) Can the molecule shown below be properly described as...
4-chloro-3, 4-dimethylnonan-1-amine
Assignment 3: Chiral Carbons and Stereoisomers On a page titled Chiral Carbons draw using a chemical drawing program or other computer generated form the expanded structure of your molecule. No hand drawn structures will be accepted. O Determine if your molecule contains any chiral carbons. If there are chiral carbons in your molecule, circle or highlight all of them. If your molecule does not contain any chiral carbons explain why none of the carbons are chiral. One a...
9. C (Z-2-hexene d. They are all of equal stability. Choose the most stable alkene among the following a 1-hexene b. (E)-2-hexene 10. What is the relation between an enantiomer's configuration and its specific rotation? (a) Rcompounds usually are dextrorotatory with few exceptions (b) R compounds always are dextrorotatory. (c) There is no relation. (d) R compounds always are levorotatory 11. How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? он...
H 9. For each molecule: 1) Identify all possible enantiomers and distinguish those that are enantiomers, diastereomers and meso compounds. II) Assign the absolute configuration of chiral carbons in each molecule OCH3 HO+Br HS+CN H2N-CH3 HOSH Он HO+CH3 н OCH3 Сн, ососна Br +D HOCH HC-BrHN+Br CH 8. For the following compounds, assign the absolute configuration for those with chiral carbons and identify those that are NOT enantiomers HO C-C-OHY -CCIN 13CH3 HAN CH3 CH3 осі H-CH3 H2N+CH H O+COOH...
A. Designate the R/S configuration for any chiral centers in the following molecules. Brn HN нон онон NH - Чон 2 оноо H.CH HOOH нсн соо HOH нон „о ако ен, и Answer key correct but Error in movie for 16. нон нан, Br. CH нхл OH Answer key comect but Em for 21. н NH но сн, нан, қсн, но, 22 но не 24 No 2 нын, нсн, нан, ess Хүн c. 26. но сни нога но он но...
1) circle chiral centers in this molecule 2) draw meso
stereoisomer 3) draw chiral stereoisomer (please add some
explanation if possible)
CI Cl
1. Chirality (6pts, 2EA) Arethe following carbons indicated by the arrow stereogenic-a chiral carbon center). Write yes or DATE: 1104.19 No and explain? Н Нс. Br H Hас" Et 2 CONFIGURATIONS (2PTS, IEA) Assign stereoisomer configuration using R or S nomenclature (NOTE: priorities have been preassigned using Cahn-Ingold-Prelog convention) 3. Multiple Choice-Definition (1pt): Define enantiomers: (Circle the correct choice) Molecules with same molecular formula, and connectivity, but differ in 3-dimenisonal space a. b. Molecules with same molecular formula, and connectivity,...