QUESTION5 Compound A has the formula C8H8. It reacts rapidly with KMN04 to give CO2 and a carboxylic acid, B (C7H602), but reacts with only 1 molar equivalent of H2 on catalytic hydrogenation over a palladium catalyst. On hydrogenation under conditions that reduce aromatic rings, 4, equivalents of H2 are taken up and hydrocarbon C (C8H16) is produced. What are the structures of A, B, and C. .cO OH 1.9.
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- Compound A (C9H12) absorbed 3 equivalents of H2 on catalytic reduction over a palladium catalyst to give B(C9H18). On ozonolysis, compound A gave, among other things, a ketone that was identified as cyclohexanone. Ontreatment with NaNH2 in NH3, followed by addition of iodomethane, compound A gave a new hydrocarbon, C(C10H14 ) . What are the structures of A, B, a nd C?4. Compound A has the formula C 8H 8. It reacts rapidly with KMnO 4 to give CO 2 and a carboxylic acid, B (C 7H 6O 2), but reacts with only 1 molar equivalent of H 2 on catalytic hydrogenation over a palladium catalyst. On hydrogenation under conditions that reduce aromatic rings, 4, equivalents of H 2 are taken up and hydrocarbon C (C 8H 16) is produced. What are the structures of A, B, and C.Compound A (C9H12) absorbed 3 equivalents of H2 on catalytic reduction over apalladium catalyst to give B (C9H18). On ozonolysis, compound A produced 3 products, C, Dand E which was a ketone identified as cyclohexanone. On treatment with NaNH2 in NH3,followed by addition of iodomethane, compound A gave new hydrocarbon, F (C10H14). Drawstructures of A, B, C, D and F.
- (10pts) Compound A, C10H16, was found to be optically active. On catalytic reduction over a palladium catalyst, 2 equivalents of hydrogen were absorbed, yielding compound B, CioH2o. On ozonolysis of A, two fragments were obtained. One fragment was identified as acetic acid (CHCOOH). The other fragment, compound C, was an optically active carboxylic acid, C8H14O2. Write reactions, and draw the correct structures for A-C, explain your answer in detail.1. Compound A, C9H12, absorbs 3 equivalents of H2 on catalytic hydrogenation over palladium catalyst to give B, C9H18. On the treatment with acidic KMnO4, compound A gives among other things, a ketone that was identified as cyclohexanone. On reaction with NaNH2 in NH3, followed by addition of iodomethane, compound A gives a new hydrocarbon C, C10H14. What are the structures of A , B and C?7. Compound AA, C4H8O, gives a positive result (formation of a silver mirror) when reacted with Tollen’s reagent. Reduction of compound AA with lithium aluminium hydride, LiAlH4 followed by acidified water, H3O+ produces an alcohol, BB. Oxidation of BB with hot acidified potassium dichromate, K2Cr2O7 gives butanoic acid, C3H7COOH. Esterification between butanoic acid and methanol, CH3OH produces compound CC. Dehydration of compound BB using concentrated sulphuric acid, H2SO4 at a temperature of 180°C produces compound DD. Draw the structural formula of compounds AA, BB, CC, and DD
- Compound A (C7H11Br) is treated with magnesium in ether to give B (C7H11MgBr) which reacts violently with D2O to give 1-methylcyclohexene with a deuterium atom on the methyl group (C). Reaction of B with acetone (Ch3COCH3) followed by hydrolysis gives D (C10H18O). Heating D with concentrated H2SO4 gives E (C10H16), which reacts with 2 equivalents of Br2 to give F (C10H16Br4). E undergoes hydrogenation with excess H2 and Pt catalyst to give 2-methylpropylcyclohexane. Determine the structures of compounds A through F, and show your reasoning throughout.An unknown hydrocarbon G, whose formula is C16H26 contains two triple bonds. Ozonolysis followed by reduction with (CH3)2S gave CH3(CH2)4CO2H and HO2CCH2CH2CO2H as the only products. Suggest a reasonable structure for compound G.A certain hydrocarbon, C7H10, yields the two products shown below upon oxidative cleavage with KMnO4/H3O+ . Deduce the structure of the hydrocarbon.
- 3 Give mechanisms for the acid-catalyzed and base-promoted alpha-halogenation ofketones. Explain why multiple halogenations are common with basic catalysis andgive a mechanism for the haloform reactionDraw the organic products formed when cyclopentene is treated with each reagent. With some reagents, no reactionoccurs.a. H2 + Pd-Cb. H2 + Lindlar catalystc. Na, NH3d. CH3CO3He. [1] CH3CO3H; [2] H2O, HO–f. [1] OsO4 + NMO; [2] NaHSO3, H2Og. KMnO4, H2O, HO–h. [1] LiAlH4; [2] H2Oi. [1] O3; [2] CH3SCH3j. (CH3)3COOH, Ti[OCH(CH3)2]4, (–)-DETk. mCPBAl. Product in (k); then [1] LiAlH4; [2] H2ODraw the structure of a hydrocarbon that reacts with 2 equivalents of H2 on catalytic hydrogenation and gives only succinic acidic on reaction with acidic KMnO4