PROBLEMS: 1. For each of the following compounds, identify whether each л system is cumulated, conjugated, or isolated: HO -OH OH O هر کس ام mmm
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- 3. Rank the substituents in each of the following sets: (а) -Н, -ОН, -СH2CH3, -СH2CH2ОН (b) -СО2Н, -СО2CH3, -СH2ОН, -он (c) –CN, –CH2NH2, -CH2NHCH3, –NH2 (d) –SH, -CH2SCH3, –CH3, -SSCH3Ә H H HO H н он H он он CH₂OH Give the R/S notation for each compound below. b) НО. НО NH₂ ОНWhich of the following is/ meso compounds? A) I B) II C) III D) I and II
- Which of the following compounds are identical? H H3C- OH H- HO- CH3 OH H3C- H- НО CH3 H H H3C- Но CH3 CH3 H HO CH3 H3C- H- OH5. Complete the following template to show the lowest energy Newman projection for the following compound: H 6. Complete the following template to show the highest energy Newman projection for the following compound: HQuestion 1 Which set of Newman projections represents correct the most stable and the least stable conformation for the following compound: 0000 A B Me Me Me Me с D H CH3 H H H3C CH3 H3C CH3 H3C. CH3 H₁C CH3 H3C CH3 H₂C CH3 H3C CH3 H H CH3 H CH3 most stable most stable most stable most stable CH3 CH3 Н H H3C. CH3 H3C CH3 H3C CH3 H3C. CH3 H3C- H3C- H3C- H- H H CHCH3 H CH3 CHH least stable least stable least stable least stable ABCD