What kind of isomeric relationship best describes molecules L and M? enantiomers or diastereomers What kind of isomeric relationship best describes molecules C and E (p.7)? enantiomers or diastereomers What kind of isomeric relationship best describes molecules G and H (p.7)? enantiomers or diastereomers
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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) IdenticalAre they identical, constitutional isomer, enantiomer, diastereomer, meso compound or conformer? A в and and HO6) 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
- H3C CI C=C H2N I O (R)-enantiomer O (Z) isomer O (S)-enantiomer O (E) isomer O meso compound5.69 Carvone is present in many essential oils. It is chiral, and its two enantiomers are shown here. Even though they are enantiomers, they have different odors. The (-) enantiomer smells like spearmint, whereas the (+) enantiomer smells like caraway seeds. What does this say about the olfactory receptors that detect carvone? than a plana) HROO HO HO HO H00 osses O= Datum his H. HO HO HO Tefur OH Hie ane 2000 (-)-Carvone OH muistad Y (+)-Carvone HO yet it pelesses no H2: Drawn are four isomeric dimethylcyclopropanes. a How are the compounds in each pair related (enantiomers, diastereomers, constitution FSomers): A and B; A and C, Band C. Cand D? b. Label each compound as chiral or achiral. Which compounds, alone, would be optically active? d. Which compounds have a plane of symmetry? e. Which of the compounds are meso compounds? f Would an equal mixture of compounds C and D be optically active? What about an equal mixture of B and C?
- 5) What is the relationship between each of the following pairs of molecules? Are the underlined answers correct? Explain. Br and Br (Identical Not Isomers Enantiomers Diastereomers I dentical the pos.tion of methul and Bromine becaure are at I and 3, Axial position. (b) Not Isomers Identical Enantiomers Diastereomers Br Br Br and Br (c) CHO CHO H OH HO--H COOH Not Isomers HO-H HO--H ČOOH Enantiomers Diastereomers Identical and (d) Br Enantiomers Diastereomers Not Isomers and Identical BrDrawn are four isomeric dimethylcyclopropanes. A B C D a. How are the compounds in each pair related (enantiomers, diastereomers, constitutional isomers): A and B; A and C; B and C; C and D? b. Label each compound as chiral or achiral. c. Which compounds, alone, would be optically active? d. Which compounds have a plane of symmetry? e. f. g. How do the boiling points of the compounds in each pair compare: A and B; B and C; C and D? Which of the compounds are meso compounds? Would an equal mixture of compounds C and D be optically active? What about an equal mixture of B and C?Describe 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 Í
- What term best describes the relationship between the structures below? H, CI H₂N Enantiomers Diastereomers Conformational isomers Constitutional isomers H₂N, HThe molecule (I) and (II) are || CH3 **H I Identical Enantiomers Diastereomers Constitutional Isomers Next H3C X IIDescribe the relationship between each of the pairs of isomers shown by recording Constitutional, Conformational, Enantiomers, Diastercomers, Identical or Meso. Identical Constitutional Enantiomers Diastereomers v Identical Meso Conformational CO,H HCH3 CH3 H CO,H H H3c CO2H H H3C CO2H H H HO2CCH3 HO2CCH3 H H H3C `CO2H H3C CO2H HO- OH OH Он он CH3 CH3 он HO- OH -OH но