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- 4. Predict the product and show the detailed mechanism for the reaction below. Use cyclohexane chair conformations as we did in class. Give a short explanation for the observed regioselectivity (why the alkene forms where it does). Use additional sheets, make sure you draw large enough for your work to be clearly understood) scratch E2 Br (LDA NLi LDA = THE onormversus angle ofReview Topics) [References] Draw the products of the reaction shown. Electron flow is indicated with curved arrows. H.C. H :Br: CH₂ :OCH3 Include all valence lone pairs in your answer. ■Include counter-ions, e.g., Nat. I, in your submission, but draw them in their own separate s Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the right corner. Separate multiple products using the + sign from the drop-down menu. 85[Review Topics] [References) Draw a structural formula for the major product of the acid-base reaction shown. H2N. HCI (1 mole) (1 mole) You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Na", I, in your answer. • In those cases in which there are two reactants, draw only the product from the compound that reacts. C P. opy eate
- TROVIOW Topicaj (References) Draw the major organic product of the reaction shown below. HO, NANH2 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. (Review Top Draw the major organic product of the reaction shown below. OH K2Cr207 H2SO4, H20 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.The following reaction conditions gives a mixture of two addition products A and B shown below. CI. HCI Ph Ph Ph Ph Ph A B via rearrangement via rearrangement >Draw< a clear mechanism using electron-flow arrows showing the formation of both products (A and B) from the starting materials. Transition states are not required and ignore the stereochemistry in this question. Do not use any other compounds in your answer except those given. Note that this is not a synthesis question. OYork rk.Unesk 020[Review Topics] [References] Draw a structural formula for the hemiketal formed when one molecule of ethanol combines with one cyclohexanone molecule. O • You do not have to consider stereochemistry. . You do not have to explicitly draw H atoms. *a Submit Answer ... Retry Entire Group ChemDoodle 8 more group attempts remaining Previous Next Save and Exit
- 2. Draw the structures and explain why CH3CH₂O and CH3CO₂ are good nucleophiles but CH3SO3, water, and alcohols (R-OH) are poor nucleophiles. Propose a 'cutoff' for the amount of negative charge needed to be a good nucleophile. CH3CH₂O CH3CO₂ CH3SO3 H₂O CH₂OH[Review Topics] [References] Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed in two stages via a "tetrahedral intermediate." Draw the tetrahedral intermediate as it is first formed in the following reaction. %3D H3C CH3 HO-CH3 • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • Do not include counter-ions, e.g., Na*, I', in your answer. • In cases where there is more than one answer, just draw one. C P. opy Bste C. Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support 5:50 PM arch 82°F 3/28/2022I am studying so much but I am not sure if these are correct. Can you go over it plsss? A Hoffmann product is O the result of the fastest mechanistic process. the most highly substituted alkene possible. the same as the Zaitsev's product, but the term "Hoffmann" is used for E2. the most stable alkene. What does Zaitsev's rule state? As the degree of substitution around the C=C of an alkene decreases, the stability of alkene increases. None of the statements is correct. O As the degree of substitution around the C=C of an alkene decreases, the stability of alkene decreases. As the degree of substitution around the C=C of an alkene increases, the stability of alkene decreases.
- The two reactants shown below are combined to bring about a nucleophilic substitution reaction. [Review Topics) [References) -F Nal d. F- g. HI e. I f. HF h. Na* i. none Which letter designates the electrophilic carbon at which substitution occurs? (If no reaction occurs enter the letter corresponding to "none.") Which letter corresponds to the leaving group? Which letter designates the nucleophile?[Review Topics] [References) In both series below the three aromatic compounds illustrated undergo the electrophilic substitution reaction shown NHČCH3 Reaction: Bromination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? C-H CH2CH2CH,CH3 Reaction: Chlorination Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest?E[References] Use the References to access important values if needed for this question. Draw the structure of the organic product that is expected when the following compound is treated with concentrated H,SO4. CH3 CH2CCH2CH3 tosH heat HO. • You do not have to consider stereochemistry. • In cases where there is more than one answer, just draw one. ed P. opy aste C. CH4 ChemDoodle Retry Entire Group 3 more group attempts remaining Submit Answer Previous Next Email Instructor Save and