3. Provide the structures of compounds A-G and the reagent(s) R used to convert cyclohexene (1) to bremecxslebexave,(2). A в Phs° 12 Br R 'Buo Os04 then H30° 2 D NH/H2O ТСРВА E F
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- The following compound readily eliminates CO; to form a conjugated six membered ring. (a) Complete the reaction with drawing the possible structure and (b) explain why this reaction goes steadily.The following cycloalkyne is too unstable to exist. Explain.(A) Provide the major organic product for the reaction below (B) Would the product be optically active of optically in active?
- The molecular formula of unknown compound B is C10H16.Quantitative brominationof a 0.473-g sample of compound Brequired 48.22mL of a 0.216MBr2/CCl4to produce a color change. How many rings and pi bonds does compound Bcontain?Include any explanations/calculations to justify your answers.Please identify priorities of functional groups and name following molecules based on thier stereochemistry as R or SHighlight the allylic hydrogen(s) in this structure.
- Illsutrate the Energy diagram for carbocation formation in two different SN1 reactions ?arrange the following molecules in an order from least to greatest reactivityOrganotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(CzHs)3). 3SnCl4 + 4Al(C2H5)3 → 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d= 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?
- How can X be prepared from a constitutional isomer by a series of [2 + 2] cycloaddition reactions? Interest in molecules that contain several cyclobutane rings fused together has been fueled by the discovery of pentacycloanammoxic acid methyl ester, a lipid isolated from the membrane of organelles in the bacterium Candidatus Brocadia anammoxidans. Therole of this unusual natural product is as yet unknown.Carbocations often rearrange, as shown below. Draw in the hydrogens on the two carbons involved in the rearrangement, and show formal arrow-pushing to illustrate the transformation.Suppose you have compounds A–D at your disposal. Using thesecompounds, devise two different ways to make E. Which one of thesemethods is preferred, and why?