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What order do you expect the compounds to elute off the column in? Explain why.
Compounds:R-carvone, R-limonene, (1R,2R,4R)-dihydrocarveol
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- kindly answer 14 and 15. thank you.geraniol OH Reagents a. SOCI₂ b. CH3COCI C. CH₂(CO₂Et)2, CH3CH₂O* Na* d. H3O*, heat e. CH3COCH₂CO₂Et, CH3CH₂O Na* f. CH3CH₂OH geranylacetone Select reagents from the table to carry out this conversion. Enter your answer as a string of letters without spaces or punctuation, i.e. ace.In RPLC, Compound A is more polar than compound B. In which column will compound A be more retained than compound B? A. C18 B. C8 C. Phenyl bounded column D. All of the above E. None of the above
- 37. (4 points). The following compound was obtained from cells, after supplying them with 1"C-labeled pyruvate. The positions containing 1"C atoms on the isolated molecule are indicated by an asterisk. Draw pyruvate below and circle the carbon(s) that was/were labeled in the experiment. (Scored number right minus number wrong.) COOH COOH *C = 0 C = 0 CH, *CH, COOH COOH* Your answer is incorrect. Which synthetic route(s) would complete the reaction shown? Br ? 1 SO II O III O I and II Oland III OH + enantiomer HO Synthesis I: 1. NaCCCH3; 2. Na/NH3(1):3. OsO4; 4. NaHSO₂, H₂O Synthesis II: 2. NaCCCH3: 2. H₂, Lindlar's catalyst; 3. MCPBA: 4. aq. H₂SO4 Synthesis III: 1. NaCCCH3: 2. H₂, Pt: 3. MCPBA: 4. aq. H₂SO4Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Long and detailed explanations are not needed. Keep it short, brief, and direct because I only need the answers as soon as possible. Calculate the % ee of a mixture containing 80% of one enantiomer and 20% of the other? A. 80B. 120C. 60D. 90
- 8. One stereoregular form of polystyrene (A) has a 'H NMR spectrum containing a triplet centered at about 1.4 ppm and a quintet at about 1.9 ppm. Another stereoregular form (B) has an octet at about 1.6 ppm and a quintet at about 2.3 ppm. (Both spectra also exhibit phenyl proton resonances further downfield.) Interpret the spectra and determine which corresponds to isotactic and which to syndiotactic. (Syndiotactic polystyrene was first reported by N. Ishihara and co-workers in a 1986 paper. You may wish to locate the paper and check your answer.)Please complete both subpart reactions in clear handwritten answer on a paper!4. Which sequence of reagents can be used for the reaction shown in the box? reagent (1) Ph reagent (2) reagent (3) Ph= Lindlar cat. O (1) NANH2, (2) CH,Br, (3) H2 (1) CH;CH;Br, (2) NANH2. (3) H2 O (1) CH3B1, (2) NH3. (3) Na (1) Brz. (2) NaNH2. (3) H2