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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- C2H5OH+ NaH produce: * C2H50H+NaOH C2H6+NAOH C2H50NA+H20 C2H5ONA+ H2(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.Comparing 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−.
- OOn 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-PyroneOct-1-yne (HC≡CCH2CH2CH2CH2CH2CH3) reacts rapidty with NaH, forming a gas that bubbles out of the reaction mixture, as one product. Oct-1-yne also reacts rapidty with CH3MgBr, and a different gas is produced. Write balanced equations for both reactions and identify the gases formed.Which of the following compounds is generated by the reaction below? он (1) B2H6, diglyme но. (2) H2O2, NaOH/H2O OH (A) (B) (C) (D) Compound C O Compounds A and C Compounds A and D Compound B
- Arrange these compounds in order of increasing boiling point (values in °C are -42, -24, 78, and 118). (a) CH,CH,OH (b) CH,OCH, (c) CH,CH,CH, (d) CH,COOH(a) Tsomane and Nyiko were given a task of synthesising methylenecyclohexane 2. After a brief discussion with each other, Tsomane proposed Method A to synthesise 2 from cyclohexanone 1 while Nyiko proposed Method B that started from hydroxymethylcyclohexane 3. Each student believed that their proposed method is better than the other. (Scheme below) Ph THF A Ph Ph B H₂SO4 100 °C 3 OH (iii) In analysing both these methods, are there other possible alkene products other than methylenecyclohexane 2? Use mechanistic details to support your answer.Nonconjugated , -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?(a) Give an acceptable name for compound A. (b) Draw the organic products formed when A is treated with each reagent: [1] H3O+; [2] −OH, H2O; [3] CH3CH2CH2MgBr (excess), then H2O; [4] LiAlH4, then H2O.