COOH CCH3 COOH COOH COOH COOH H- CH3 H3C- H C CH2OH NH2 NH2 NH2 NH2 NH2 CAT BAT MAT RAT PAT 1. An optically inactive compound Answer: 2. An R-enantiomer Answer: 3. A Flying-wedge representation of BAT Answer:
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- Identify 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) IdenticalC П W Co X А) I В || I Ш E D) IV. "ОН none of these ОН 11 ОН "О H3O* OH OH + enantiomer ||| IV H 7 OFWhat is the relationship between the parent structure on the left and the structure on the right? A: Enantiomers B: Diastereomers C: Constitutional (structural) isomers D: Identical molecules O A B O C III.. OD
- Compound 1 Br Bri НІ T ... H The correct IUPAC names are: Compound 2 H Br Br I.. H Br The compounds are diastereomers not isomeric enantiomers identical constitutional isomers Compound 1: (2R, 3R)-1,2,3-tribromobutane, Compound 2: (2S, 3R)-1,2,3-tribromobutane Compound 1: (2R, 3S)-1,2,3-tribromobutane, O Compound 1: (2R,3R)-1,2,3-tribromobutane, Compound 2: (2S,3S)-1,2,3-tribromobutane Compound 2: (2R, 3R)-1,2,3-tribromobutane O Compound 1: (2S,3S)-1,2,3-tribromobutane, Compound 2: (2R,3S)-1,2,3-tribromobutaneH₂C -CH₂3 H 11 СН3- CH₂ Criven Structures give the relationship of given molecules Cat Enantiomerg (b) Diastereomers (c) Constitutional isomery (d) same molecule GIVE EXPLAINED HANDWRITTEN Anbwer5B. Are the pairs of structures shown below constitutional isomers, enantiomers, diastereomers, or the same? What is the degree of unsaturation for the compound in entry (e)? (a) (b) Me Me (c) F. H3C. ČH3 (e) (f) Et. ОН ОН Et Degree of unsaturation =
- What s 9somer? wrfte an down the isomers of the Compound whase formula is CHq Cl. It Psomers have a chiral which of the can structure. E xamine Pt terms of stereochemistry.Identify the relationship between the following compounds. H3C COOH ; HOOC CH ОН enantiomers diastereomers H™ HI!.. HO O achiral O No answer text provided. CH3Assign R and S configurations to the chirality centres of the compounds below: O₂N ... OH ||||| 15 IC/ CI CH₂OH NHCOCHCI₂ HO₂C NH₂ H H H3C HO CH3
- b. tor each pair State whetner theyare resonaince, Znantiomer, diastereomers structural isomers or identical materals. () (H3 CH3 (1) CH3 CH3 CH3 NH2 Br (1) NH2 HO HO Br Br8. 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)6) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? CO20H CH3 t, H2N . CO2H WH2 CH3 7) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? CH3 H C OH 3. HO