The following alkene is treated with one equivalent of N-Bromosuccinimide in dichloromethane in the presence of light to give bromination product(s). Draw a line-angle formula for each product formed.
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Draw a line-angle formula for each product formed.
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- Draw the alkyl bromide(s) you would use in a malonic ester synthesis of ethyl cyclopentanecarboxylate. You do not have to consider stereochemistry. If no reaction occurs, draw ethyl cyclopentanecarboxylate. If more than one alkyl bromide is needed, draw them all. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu.What are ALL of the products of buta-1,3-diene and bromine water? I know how to get to the major product (bromine and OH both to the left of the double bond) but don't know how to get to the minor product (bromine to the left, OH to the right)?Draw the structure(s) of the major organic product(s) obtained after workup of the following reaction. Use the wedge/hash bond tools to indicate stereochemistry where it exists. If no reaction occurs, draw the organic starting material. Draw structure(s) of product(s) after aqueous workup. Include counter-ions, e.g., Na+, I-, in your submission, but draw them in their own separate sketcher. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner.
- In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a small excess of one enantiomer is present. For example, treatment of optically pure 1-bromo-1-phenylpropane with water forms 1-phenylpropan-1-ol. (a) Calculate how much of each enantiomer is present using the given optical rotation data. (b) Which product predominates—the product of inversion or the product of retention of configuration? (c) Suggest an explanation for this phenomenon.Based on your answer to parts A - C, draw the correct regio- and stereoisomer of the product in the space provided. Provide a systematic name of the substrate. Provide a systematic name of the product (see section 8.3 for alkene nomenclature). Draw a transition state structure of the reaction with partial bonds and partial charges indicated. Draw an energy diagram for the E2 reaction on the previous page. Your reaction coordinate diagram should: Include structures of starting materials, products, and transition states at correct relative energies. Indicate the activation energy of the rate determining step and whether the reaction is endothermic or exothermic.The 1,2‑dibromide is synthesized from an alkene starting material. Draw the alkene starting material. Clearly, show stereochemistry of the alkene.
- Enolates are formed by deprotonation of an α-carbon hydrogen. Answer the following questions about enolate formation. In the molecule shown, select the α-carbon hydrogen that would be removed to form an enolate when sodium hydroxide is used as a base. (use photo to answer this question). Then, Draw the thermodynamic enolate that results for the molecule in Part 1. Draw only the enolate resonance form that includes a formal charge on the α carbon. Be sure to indicate that formal charge as well as any lone pair of electrons in your answer.Fill in the information based on the type of reaction mentioned in each column. A. Draw the line angle diagram of a substrate that will undergo SN1, SN2, E1, E2 B. Draw the line angle diagram of a nucleophile that can be used for SN1, SN2, E1, and E2 C. Draw the line angle diagram of a solvent that can be used with SN1, SN2, E1, and E2 D. Write down if the stereochemistry of the product will be inversion, retention, or a 50:50 ratio of inversion and retentionEnolates are formed by deprotonation of an α-carbon hydrogen. Answer the following questions about enolate formation. In the molecule shown, select the α-carbon hydrogen that would be removed to form an enolate when NaOEt is used as a base. Draw the thermodynamic enolate that results for the molecule in Part 1. Draw only the enolate resonance form that includes a formal charge on the α carbon. Be sure to indicate that formal charge as well as any lone pair of electrons in your answer.
- Draw the molecule: Under second-order conditions (strong base/nucleophile), SN2 and E2 reactions may occur simultaneously and compete with each other.Show what products might be expected from the reaction of 2-bromo-3-methylbutane (a moderately hindered 2∘∘ alkyl halide) with sodium ethoxide. Do not worry about sterechemistry inther SN2 product for this problem. Don't forget about stereochemistry.Show stereo chemistry and possible outcomes and the steps for the reaction.Draw an electrophilic addition reaction of a conjugated diene that produces more than two organic products (show ALL products)