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- 8. 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)How many stereocenters are in the D-glucose molecule? a b. 2 . C 0 d 1 Clear my choice ROOM How many Rand S stereocenters are there in the 5-a Dihydrotestosterone molecule? a. 45, 38 b. 15, 6R C35, 4R d. 35, 3R e. 65 1R Clear my choice Total number of stereoisomers possible for the following compounds s O FORMIGA 0 270Identify if the following pairs of compounds are identical, enantiomers, diastereomers or constitutional isomers. * ОН CN and H;C uNCN INCN H3C H. C HO, (ii) and O (1) Identical; (ii) Enantiomers O (1) Enantiomers; (ii) Diastereomers O (1) Enantiomers; (ii) Enantiomers O (1) Identical; (ii) Identical5. Consider the following pairs of structures. Identify the relationship between them (enantiomers, diastereomers, or identical compounds. H3C OH H₂C HOITY H CH₂OH HO HO C,, CO₂H вой HOH2C CH₂ OH H OH H OH Н HO H H COzH Br Д H3C Br H₂CH₂C CI H CHO CH3 I CH3 OH HO Н HO... HO C OHC Н H3C, Bell!! H CO₂H Н.С CH₂OH H OH H OH HO H CH₂ CO₂H HỌ,H CH₂CH3 CH3 CI CH₂OH BrDescribe the relationship of the following pairs of molecules as identical, enantiomers, diastereomers, or constitutional isomers. Br Ме, Н Me CI Me i. CI Br H Me H CI, Et Me CI Et Et. ii. Me Et Me CI Mee CI iii. none of the other answer choices are correct O i. = diastereomers; ii. = identical; iii. = enantiomers i. = diastereomers; ii. = constitutional isomers; iii. = diastereomers i. = enantiomers; ii. = constitutional isomers; iii. = diastereomers O i. = enantiomers; i. = identical; iii. = diastereomersC. IDENTIFYING STEREOISOMERS: Label each pair of molecules below as enantiomers, diastereomers or identical CO₂H HO HC но-- н H -.Н CH3 OH CH₂OH HO™ H₂OC H₂C Н-- HO Н CH3 OHH CH₂OH HOC-... HOCH₂. H OH H OH HO H CHO COzH ОНС но с HO H COzH Н ОН НО Н CH₂OHWhich of the following pairs of structures represent a pair of enantiomers? a. b. C. d. O a O b Oc C Od H3C... H Br C HC NC H3CH₂C COOH H... C CN CH3 Br HC H₂N CH3 OH COOH CN HC-CH3 Br Br H.C. HOOC OH H... C H₂C CN H3C C H₂N CH₂CH3 COOH HDescribe the relationship between each of the pairs of isomers shown by recording Constitutional, Conformational, Enantiomers, Diastereomers, Identical or Meso. нн H;C CH3 H;CLCH3 Constitutional CI H3C, H Enantiomers H. OH H3C H. CH3 Diastereomers OH Identical CH3 H3C, H H. CH3 Meso CI CH3 ÓH H. Conformational ÓH CH3 Not Related CH3 HCI H H- H H ČH3 ČH3 Br Br H3CH H CH3 -CH3 Br H3C- Br CH3 -CI H -CH3 H- C- -Br Br -CH3 CH3 CH3 OH H- OH H- -CH3 -CH3 -CH3 ÓH H- H CH3 Br Br ČH3 OH HO H CH3 Í Í7. Identify as enantiomers, diastereomers, or the same molecule OH Ex Ex a. b. d. e. f. OH OHCH3 CH3 -H- CH3 CH3 HO H- Но- H- -ОН H- Но- -H- H- HO- H- -ОН HO H CH3 CH3 CH3 CH3 IV I II III- с app.101edu.co Identify which of the following compounds is meso. I H₂CO H III H C H₂CO HCI Н A) 1 B) II Question 52 of 67 C) III D) IV OCH H₂CO "CH3 H C H CH₂ OCH₂ IV Н H₂CO H.C Н OCH, "H CH3 CH3 OCH₂ S В SubCCHa H;C Enantiomers are mirror images of one another no matter which way you turn them, they can't be superimposed. If molecules can be superimposed, they're achiral - and there's no optical isomerism Example H. H. H2N NH2 OH OH Task 6 CH,OH H.C CH, -C HO H. HSEE MORE QUESTIONS