How many proton NMR signals would be present for the product of the following reaction? Assuming one equivalent of the nucleophile 4 5 6 O 7 1. BrMg 2. H3O+
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- Use the information below to identify and explain the relationship between the basicity of the two nucleophiles and their nucleophilicities5. Provide an efficient synthesis for the following transformation. Synthesis with the fewest steps, best yields and best selectivity will get maximum marks. Me,SiQIn the reaction from compound 15 to compound 16,17, identify the nucleophilic agent and electrophilic agent
- a. What is the amine and coupling components of this azodye? H;CO- -N=N-Use the reaction given below to answer the following questions. A CH₂OH B H₂O+ C + CH3NH3* D a) What are the approximate pKas of compounds A and B? b) The reaction given above is irreversible. Give a detailed explanation of the reaction and reaction mechanism. Your explanation should indicate your knowledge of the reactivity of carboxylic acid derivatives.Choose the most correct set of reagents for the following reaction.
- Please provide a way to synthesize the target compound using the reagents given below once Target NH- HBr NaCN LIAIH4 CIWhich electrophile is most likely to undergo a 1,2-hydride shift during an electrophilic aromatic substitution reaction with benzene and AICI3? CI CI CI CIThe 1H- and 13C-NMR data of an ester of molecular formula C6H10O2 are given below. Also shown are the COSY and HETCOR NMR spectra of the ester. Draw the structure of the ester, explaining how you reach your conclusion. 1H-NMR: 7.20-6.90 (1H), 5.85 (1H), 4.16 (2H), 1.88 (3H), 1.31 (3H) ppm 13C-NMR: 166.7, 144.5, 123.0 , 60.2, 18.0, 14.3 ppm
- What is the best set of reagents to use for the synthesis?Rank the following proton descriptions for the major methyl nitrobenzoate product. O₂N. 1 2 Most Deshielded (Down Field) 3 4 H 5 H H H OCH3 The proton in between the two EWGs and only experiencing long-range coupling. The proton next to the strong deactivator nitro group and experiencing three-bond coupling with a neighboring aromatic proton. The proton next to the moderate deactivator ester group and experiencing three-bond coupling with a neighboring aromatic proton. The proton meta to the two EWGs on the aromatic ring and experiencing three-bond coupling with two neighboring aromatic protons. Most Shielded (Up Field) The methyl group protons of the ester substituent.looking at this reaction (first image), The second image shows the 13C NMR spectrum of the 2-acetnaphthone which is the starting material and an 13C NMR spectrum obtained for the reaction product: Based a comparison of the two 13C NMR spectra, is product A or product B the major product of the reaction? - Explain your reasoning.