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- Break compound A into several small (less or equals to 6 carbon atom) molecules. You need to explain the reasons why you choose to break those bonds.Draw the major resonance contributor of the below compound. Be sure to include all lone pair electrons and formal charges. H X .Ö.Draw the major organic product of the Bronsted acid-base reaction between the compounds shown below. Include all lone pairs and charges as appropriate. Ignore any counterions. H :O: Ha I -0 H-O :O: :0: о-н o
- Show how the enamine below can be synthesized. Then draw the resonance structure(s) for the enamine. 그This structure has a lower pKa than usual because the conjugate base of the structure has unusual stability. Using the provided resonance structures, draw the curved electron- pushing arrows to show the deprotonation step. Then, draw the curved electron-pushing arrows to show the interconversion between resonance hybrid contributors. Be sure to account for all bond-breaking and bond-making steps. 56°F Mostly sunny H:O H HH H H Na O Select to Add Arrows NaH > Q Search Problem 24 of 25 hp Please select a drawing orFor each molecule shown (1) indicate the most acidic hydrogens. (2) Draw the major resonance structures of the anion that results from the elimination of the most acidic hydrogen. (c) S ܐ CN COOCH, CN
- A) 1) One of the following four structural formulas is not a permissible resonance contributor which one? Why? O HC €0.00 "SEO • HE a) b) NFO NFO HC H.C HC HC 2) Using curved arrows, show the electron movement that connects the three resonance contributors. B) Write the most stable enol forms of the following compound, and choose which of them is more stable With explanation. CH3 لوج شركة اللهCurved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. :OH: Select to Add Arrows H₂O 3 H₂ H HH H :Br:Ⓒ HH Select to Add Arrows H₂O 17 :Br: H H Please select a drawing or reagent from the question areaWrite an additional resonance contributing structure for each carbocation and state which of the two makes the greater contribution to the resonance hybrid. Classify each additional contributing structure as a 1°, 2°, or 3° allylic cation
- 20:33 1 : ●●● all the proper notations for depicting resonance. 4. Provide the full mechanism (curved arrows and intermediates) that leads to the product in the scheme below. Draw the structure of the product to help you see how the starting materials will combine. Use that as a clue to figure out how to draw the mechanism arrows. ccare in your scheme. Be sure to use NaOEt 00 i 5. Provide the major organic product of the reaction shown. Determine if these conditions are best for SN2, SN1, E2, or E1. Be sure to indicate stereochemistry by using the proper wedges/dashes in the product. acetone phenyl butanoate Send a chat OThis structure has a lower pKa than usual because he conjugate base of the structure has unusual stability. Using the provided resonance structures, draw the curved electron- pushing arrows to show the deprotonation step. Then, draw the curved electron-pushing arrows to show the interconversion between resonance hybrid contributors. Be sure to account for all bond-breaking and bond-making steps. H H:O H. H H H H. H H H Select to Add Arrows NaH .H H H Na Ⓒ Na Ⓒ H Problem 4 of 21 Please sel2. Vanillin is one of the major components of the extract of vanilla beans: Vanillin This proton has a pK₂ of 7.8 H 3 C HO O H In the structure above, all atoms are neutral but lone pairs are not explicitly drawn. Using hydroxide ion as the Bronsted base, draw a mechanism to show the deprotonation of the OH group in vanillin. Include all necessary curved arrows, lone pair electrons and nonzero formal charges. Draw the products of the proton transfer reaction. You will need to redraw the structure of vanillin.