1. Draw structures of the following compounds: a. 8-benzyl-5-sec-butyl-7-ethyl-12-(1-fluorobutyl)pentadeca-4,9,13-trien-1-yne b. 4-bromo-5-butyl-3-cyclopropoxy-6-methyloct-2,4-dien-8-yne
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- best condition for the reaction (1r,2s)-1 bromo-2methylcyclohexane->(s)3-methylcyclohex-1ene1. Using Br2 in C2H4Br2 will result in HBr and ______. a. C2H3Cl3 b. C2H4Cl3 c. C2H2Cl3 d. none of the above 2. How many halogenation are posible in propane? a. 3 b. 8 c. 6 d. 10 3.Sulfonation of pentane will result in ________ and water. a. C5H11SO3H b. C5H12SO3H c. C5H14SO3H d. none of the above 4.Nitration of hexane will result in ________ and water. a. C6H13SO3H b. C6H15NO2 c. C6H13NO2 d. C6H14NO2 5.How many moles of O2 in heating a C12H26 (dodecane) a. 27 b. 37 c. 24 d. none of the aboveA chemist allows some pure (2S,3R)-3-bromo-2,3-diphenylpentane to react with a solution of sodium ethoxide(NaOCH2CH3) in ethanol. The products are two alkenes: A (cis-trans mixture) and B, a single pure isomer. Under thesame conditions, the reaction of (2S,3S)-3-bromo-2,3-diphenylpentane gives two alkenes, A (cis-trans mixture) and C.Upon catalytic hydrogenation, all three of these alkenes (A, B, and C) give 2,3-diphenylpentane. Determine the structuresof A, B, and C; give equations for their formation; and explain the stereospecificity of these reactions
- Can someone help me draw the skeleton structure of the following? Thank you very much! 1.) 3,4-dimethylcyclopentene 2.) 3-bromocyclobutene 3.) 3,5-diethyl-6-methylcyclohexene 4.) 4-chloro-5,6-dimethylcyclooctyne 5.) 6-bromo-3-methyl-5,7,8-trimethylcyclononyne1,4-Pentadiene (CH2=CH-CH2-CH=CH2) is a liquid at room temperature and has a density of 0.66 g/mL and molar mass of 68.12 g/mol. In a laboratory experiment, 3.80 mL of this compound was treated with 4.80 mL of conc. H2SO4 (100% w/w; molar mass 98.08 g/mol). Note that the density of conc. H2SO4 is 1.84 g/mL. The resulting sulfate ester was then treated with 1.20 mL of water (molar mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude product. The crude product was then purified by simple distillation, which yielded 2.00 g of pure product. What is the theoretical yield of 2,4-pentanediol expressed in grams? Show calculations. What is the percentage yield of pure 2,4-pentanediol?1,4-Pentadiene (CH2=CH-CH2-CH=CH2) is a liquid at room temperature and has a density of 0.66 g/mL and molar mass of 68.12 g/mol. In a laboratory experiment, 3.80 mL of this compound was treated with 4.80 mL of conc. H2SO4 (100% w/w; molar mass 98.08 g/mol). Note that the density of conc. H2SO4 is 1.84 g/mL. The resulting sulfate ester was then treated with 1.20 mL of water (molar mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude product. The crude product was then purified by simple distillation, which yielded 2.00 g of pure product. a. Provide a balanced chemical equation to show the reaction between 1,4-pentadiene and sulfuric acid. Do not use molecular formulas in the chemical equation except for sulfuric acid. b. What reactant is the limiting reagent in this chemical equation? Show calculations to support your answer.
- Give the structure corresponding to each name.a. 3-bromo-4-ethylheptaneb. 1,1-dichloro-2-methylcyclohexanec. 1-bromo-4-ethyl-3-uorooctaned. (S)-3-iodo-2-methylnonanee. (1R,2R)-trans-1-bromo-2-chlorocyclohexanef. (R)-4,4,5-trichloro-3,3-dimethyldecaneWhich of the following is most soluble in basic medium? a. cyclopropane b. 1,3-cyclobutadiene c. 1,3-cyclopentadiene d. benzeneRings + Unsaturation --- Hydrogenation If compound A C51H81BrN5O3P3 is hydrogenated to give compound B C51H101BrN5O3P3. How many rings does compound A have? Assume that P has a valency of 5. Would the answer be 4 rings? Formula -> unsat + rings = 1+C +N/2 - H/2 - X/2
- Draw both the condensed and line-bond structure of the following compounds: * bromocyclobutane (Br-, Bromo branch) * 5-sec-butylnonane * 4-t-butylheptane * 4-ethylcycloheptene * 4,4-dimethylpent-2-ene * 3-chloro-2,7-dimethylnon-4-yne (Cl- Chloro branch) * 1-cyclohexylbut-2-yneA chemist allows some pure (2S,3R)-3-bromo-2,3-diphenylpentane to react with a solution of sodium ethoxide(NaOCH2 CH3) in ethanol. The products are two alkenes: A (cis-trans mixture) and B, a single pure isomer. Under the same conditions, the reaction of (2S,3S)-3-bromo-2,3-diphenylpentane gives two alkenes, A (cis-trans mixture) and C. Upon catalytic hydrogenation, all three of these alkenes (A, B, and C) give 2,3-diphenylpentane. Determine the structures of A, B, and C; give equations for their formation; and explain the stereospecificity of these reactions.Which choice best describes the alkene below?