Indicate the products A and B that are obtained in the following reactions: OH CH3 + HOCH2-CH₂OH + TSOH → A 1° NaH/THF A + →> B 2º C6H5-CH2Cl Briefly comment on each reaction.
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- Provide the products, intermediates, and/or reagents for the following reactions:Provide a step-by-step mechanism for the reaction.(a) Give an acceptable name for each compound, (b) Draw the organic products formed when A or B is treated with each reagent: [1] H3O+; [2] −OH, H2O; [3] CH3CH2CH2MgBr (excess), then H2O; [4] LiAlH4, then H2O.
- Provide structures A, B and COOn a reaction with acid, 4-pyrone is protonated on the carbonyl-group oxygen to give a stable cationic product. Using resonance structures and the Huckel 4n+2 rule, explain why the protonated product is so stable. 4-PyroneComparing Hydration Products Using Two Different Methods Draw the product formed when CH3CH2C=CH is treated with each of the following sets of reagents: (a) H2O, H2SO4, HgSO4; and (b) R2BH, followed by H2O2, HO−.
- When trichloroacetaldehyde is dissolved in water, almost all of it is converted to the hydrate. Chloral hydrate, the product of the reaction, is a sedative that can be lethal. A cocktail laced with it is known—in detective novels,at least—as a “Mickey Finn.” Explain why an aqueous solution of trichloroacetaldehyde is almost all hydrate.Which compound is the dominant product in the reaction shown below? KMNO4 .COOH (A) H*/H,O (B) COOH .COOH (C) (D) HOOC HOOC Compound B Compound C Compound D Compound ANonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.
- Arrange these compounds in order of increasing acidity: 2,4-dichlorophenol, phenol, cyclohexanol.The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?Do the reactions and he explains why.