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- Indicate the relationship between each pair. Choose from: configurational stereoisomers,conformers, constitutional isomers, or different formulas (Each term is used at least twice.)Draw the most stable conformation of 1,4-dichlorobutane, using wedges and dashes to represent bonds coming out of the paper and going behind the paper, respectively.Part D. Do the two structures A and B of each pair drawn below represent the same molecule, constitutional isomers, or stereoisomers? If A and B are stereoisomers, further classify them as enantiomers or diastereomers. H3C Structure A H3C HO H3C H3C Br T H H3C H HO H3CC H C Br HC H H H H CH₂Br CH₂CH3 H CH₂CH3 CH₂OH OH H HO G G H HO H HO G CH3 CH3 CH3 Br Hallo H H3C H Structure B H3C CH3 Br WING H Br HOCH₂ CH3 CH3 HO H CH₂OH H CH₂CH3 H CH₂CH3 H H H H H H Gim CH3 H OH "H ·GII. CH3 HO. OH OH CH3 CH3 OH Relationship of A and B
- Two structures are shown. Identify the asymmetric carbons in each structure, classify as chiral or achiral, and identify the number of stereocenter(s). H. „CH3 H3C CH3 H H. CH3 compound A compound B Which image shows the asymmetric carbon(s) in compound A highlighted in red? CI H H3C CH3 H3C CH3 O Neither. There are no asymmetric carbons in compound A. H3C -CH3 H3C CH3 Compound A is . There are stereocenters in compound A. Which image shows the asymmetric carbon(s) in compound B highlighted in red? CH3 H H. CH3 H3C.C H O Neither. There are no asymmetric carbons in compound B. Compound B is . There are stercocenters in compound B. *Please explain all the questionsTwo structures are shown. Identify the asymmetric carbons in each structure, classify as chiral or achiral, and identify the number of stereocenter(s). H. „CH3 H3C CH3 H H. CH3 compound A compound B Which image shows the asymmetric carbon(s) in compound A highlighted in red? CI H H3C CH3 H,C CH3 O Neither. There are no asymmetric carbons in compound A. H. H3C -CH3 C H3C CH3 Compound A is . There are stereocenters in compound A. Which image shows the asymmetric carbon(s) in compound B highlighted in reď? .CH3 H H. CH3 H3C.C H O Neither. There are no asymmetric carbons in compound B. Compound B is There are stercocenters in compound B. *Please explain all the questionsa. 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.
- 1. How are each of the structures A-F related to structure X? They could be E (enantiomers), D C (conformers), or I (identical). (diastereomers), CH3 CI -Br HOH₂C- -OH CI X НО, H3C H₂C D CI Br CH₂OH CI HO STEREOISOMERS Br A CH2OH CI Br CI HOH₂COH CI CI Cl CH3 OH E -CH3 -CH₂OH B Br Br НО. Br CH3 HOH₂C CI C CI CH3 HO CH₂OH F8. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) H3C c) CH3 Br H. CH3 Br Br CH3 H. CI Holl H Cill Cl- CH3 Br H. CI CH3 HO. H. H3C Cl H3C- H- H. CH3 Cl a) b) c) 9. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) c) CH2CH3 NH2 HO CH3 H3C. CH3 Cl HO H;C CH2CH3 F. F H;C. CI H H,N -CH3 CH3 NH2 H3C Br H2N C1 H3C CH3 CH3 H;CH,C- Cl F H. H Br CH,CH3 CH3 a) b) c)5. Consider the following pairs of structures. Identify the relationship between them (enantiomers, diastereomers, or identical compounds. HOH2C H OH H OH HO H Br H3C Н H H₂CH₂C CI Br H CHO CH3 I CH3 OH OHC Н H OH H OH Bell!! H3C, HO H Н.С H CH₂CH3 CH3 CI HỌ,H CH₂OH Br
- 1E.) Which of the following two conformers is lower in energy? Both conformers are of equal enery O A Conformer A is lower in energy. B Conformer B is lower in energy. It cannot be determinedHN- H3C HN -NH "CH3 OH H. CH3 H,C. Br H3C CH3 CH3 HO. Br HO,3. For each of the following pairs of structures identify the stereochemical relationship as identical, constitutional isomers, enantiomers or diastereomers. a) b) H. H₂C SH H H CH 3 *CI H₂C SH H H CH 3 H