4) Which of the following reagents would be ideal (low cost, environmentally safe) to produce 1? A) (CH3)2Cu-Li", Ether B) 1. DIBAH, toluene; 2. H30* C) Dess-Martin periodinane D) 1. NaBH4, ethanol; 2. H30 E) none of the above o Chap 19 Lect 9 CYK CH,CH,CH,C-OH ? CH,CH,CH, CH CH, pentanone (1)
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- For butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl bromide in DMSO, eg. ArCH3 to ArCH2Br then to ArCHO).Solution:- 3. Determine the amount, in of a (2.20 M s olution of dichloromethane needed to completely react with 15.72g cyclohexene to give 1,2-dibromocuclohexanw. Assume 12% excess is needed in order to react completely. a . How much 1,2 -dibromocyclohexane would theoretically be produced ? c. How many ML of the 2.20 M Br2 solution are required?1-ethylcycloheptene + cold, dilute KmnO4
- Tunicates are marine animals that are called "sea squirts" because when they are taken out of water, they tend to contract and expel seawater. Lepadiformine is a cytotoxic agent (toxic to cells) isolated from a marine tunicate. During a recent synthesis of lepadiformine, the investigators observed the formation of an interesting by-product (3) while treating diol 1 with a reagent similar in function to PBr3 (J. Org. Chem. 2012, 77, 3390–3400):A mixture of 0.10 mol benzene and 0.10 mol p-xylene was allowed to react with 0.10 mol nitronium ion until all the nitronium ion was gone. Two products were obtained: 0.002 mol of one and 0.098 mol of the other. a. What was the major product? b. Why was more of one product obtained than of the other?give the reagents for parts a-p
- Compound X is insoluble in cold KMnO4, Br2 in CCl4, and conc. H2SO4. Compound X is most likely: a. an alkane b. none of these c. an alkene d. an alcohol e. an alkyl halide Indicate which of the ff. statements regarding nucleophilicity is incorrect. F- is more nucleophilic, hence, more reactive towards methyl iodide than Cl-. Second row elements are more nucleophilic than first row elements of comparable basicity. The rate of SN2 reaction may be markedly affected by the nucleophilicity of the attacking atom. Nucleophilicity is the affinity of a nucleophile to an electrophilic carbon Which of the following alkynes can be deprotonated by NaNH2 in liquid NH3? 3-Methylhex-2-yne Pent-2-yne 3-Methylbutyne none of these Hex-3-ynecan i get help drawing out actual structures including the nucleophilic addition of Cy2NH to parafomaldehyde and its hemiaminal intermidiate and the condensation step when it is displaced by terminal alkyne forming allene, also what is dioxane getting rid of as the solvent, thanksPlease complete reactions in clear handwritten of all subparts
- Assign the stereochemical configuration (E or Z) for the alkene below. Show your work, indicating clearly which groups are assigned high priority (e.g., through assigning the groups numbers, circling only the high priority groups, or labeling groups as high or low).Topic: Alkyl Halides Instructions: Fill in the empty boxes below with the proper reagent(s). Struggling with this. I would appreciate a walk through.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