Of the reaction conditions provided below, which would be expected to convert 1 mole of 4-methyl-1-pentyne into 2- methylpentane? H2, Lindlar's catalyst Na, NH3(1) 2 moles of HC 2 moles H2, Pt 1 mole H2, Pt
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- Proposed chemical reactions which accomplish the objective shown below. Specify reagents, essential conditions and catalysts. A. Convert between cis_alkene to the corresponding trans-allene B. Switch the regiochrmisty of an alkyl halide (example: convert 1 bromopentane to 2-bromopentaneConsider the hydrogenation reaction below, which replaces all with the appropriate number of carbon-to-hydrogen bonds C10H12+3H2 = C10H18 Assuming 100% hydrogenation, how many rings are present in C10H12?C6H5CO2CH2C6H5 can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield. Use the wedge/hash bond tools to indicate stereochemistry where it exists. Include all valence lone pairs in your answer. Separate multiple reactants using the + sign from the drop-down menu. When a metal counterion is needed, use Na+, but draw it in its own sketcher.
- 1,3-pentadiene reacts with HBr. When the double bond at the 3-position reacts, the hydrogen attaches to the 4-carbon, thus forming an allylic carbocation with delocalized electrons. This carbocation has another resonance structure. Because there are equal amounts of diene and hydrogen bromide, in which molecule only one of the double bonds reacts. Which of the following correctly describes this new resonance structure? a) It has a double bond between carbons 3 and 4 b) It has a positive charge on carbon 2 c) It has a positive charge on carbon 4 d) It has a double bond between carbons 2 and 3Using your reaction roadmap as a guide, show how to convert ethylene into 1-butene. All of the carbon atoms of the target molecule must be derived from ethylene. Show all intermediate molecules synthesized along the way.Write structural formulas for the products that form when 1-butene reacts with each of the following reagents: (a) HI (b) H2, Pt (c) Dilute H2SO4, warm (d) Cold concentrated H2SO4 (e) Cold concentrated H2SO4, then H2O and heat (f) HBr (g) Br2 in CCl4 (h) Br2 in H2O (i) HCl (j) O3, then Me2S (k) OsO4, then NaHSO3/H2O (l) KMnO4, OH-, heat, then H3O+ (m) Hg(OAc)2 in THF and H2O, then NaBH4, OH- (n) BH3:THF, then H2O2, OH-
- 1. Write down all the steps of the reaction of 2-Methyl-2-hexene with sulfuric acid and name the product formed. Will provide helpful ratings for correct solution.Phineas and Ferbs, two brothers who enjoy vacations, doing fun things every summer. This summer the brothers and their friends carry out an organic synthesis with an unknown compound (L1) that contains 52% Carbon, 6% Hydrogen and 42% bromine, this compound (L1) is treated with magnesium in ether to obtain L2 , which reacts violently with D2O for 1-methyl cyclohexene with a deuterium atom in the methyl group (L3). The L2 reaction is treated with acetone followed by hydrolysis to give L4. Heating L4 with concentrated sulfuric acid gives L5, which decolors the bromine, obtaining L6. L5 undergoes hydrogenation with excess hydrogen and platinum as a catalyst giving rise to isobutyl cyclohexane. Determine the structures of compounds L1 through L6.1. 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 above
- The addition of an alcohol to an acid chloride is an example of alcoholysis (alcohol addition with bond breakage). Consider the alcoholysis reaction below and answer the questions that follow. 1. Show the tetrahedral intermediate that is formed after the nucleophilic addition of the alcohol to the acid chloride. Be sure to include all lone pair electrons and formal charges on your intermediate structure. 2. Show the final product of this alcoholysis reaction that forms after the intermediate you made in Part 1. Do not include inorganic or charged products in your answer. Be sure to include all lone pair electrons and formal charges.CH₂ + Using the reagents below, list in order (by letter, no period) those necessary to prepare 2-butyne from acetylene. Note: Not all spaces provided may be needed. Type "na" in any space where you have no reagent. a. Br₂, heat, light b. Na, (-H₂) c. Nal(SN2) d. NH4NO3 e. 1) NaNH2, liq. NH3, 2) CH3Br f. (CH3)3COK, (CH3)3COH, heat g. NaOEt, EtOH, heat Step #1 Step #2 Step #31. Predict the elimination products of the following reactions. When two alkenes are possible, predict which one will be the major product. Explain your answers, showing the degree of substitution of each double bond in the products. 2. Which of these reactions are likely to produce both elimination and substitution products? (a) 2-bromopentane +NaOCH3 (b) 3-bromo-3-methylpentane +NaOMe(Me= methyl, CH3) (c) 2-bromo-3-ethylpentane +NaOH (d) cis-1-bromo-2-methylcyclohexane +NaOEt (Et= ethyl, CH2CH3)