7. Each of the following synthesis will not produce the desired product. Explain the flaw in each synthesis. NO2 1. HNO3, H2SO4, 2. EtCI, AICI3 а.
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- 1. Provide the mechanism of the reaction shown in the picture. 2. Explain why it cannot be done in basic conditions. 3. Why is the enol tautomer favored over the keto tautomer? Ph H3C OH H H3O+/H₂O HO H3C PhSelect the appropriate sequence of reactions to accomplish the following synthesis. O [1] NaOEt; [2] BrCH2CH2CH2CH2Br; [3] LDA O [1] Br2, CH3CO2H; [2] L¡2CO3, LiBr, DMF; [3] CH3CH2CH2CH2B1 O [1] LDA; [2] BrCH2CH2CH2CH2Br; [3] NaOEt O [1] Br2, CH3CO2H; [2] Mg, Et2O; [3] CH3CH2CH2CH2B11. Provide the mechanism of the reaction shown in the picture. 2. Explain why it cannot be done in basic conditions. 3. Why is the enol tautomer favored over the keto tautomer?
- Select the major product from the reaction sequence shown. 1) MezNH, [TSOH], - H2O 2) 3) HO مال منه NMez .OH ? ka taChoose the major product of the following reaction sequence. Note: as discussed in lecture the squiggle implies the production of both anomersDraw the mechanism for the following reaction if it involves specific-acid catalysis. a. Draw the mechanism if it involves general-acid catalysis.
- Draw the structures of compounds A–H in the following synthesis scheme.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.IWhat is the intermediate A for the following Stork enamine synthesis? O. CI 1. H,C. CH3 C12H1402 p-TSOH (-H,O) 2. H3O* A.