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Draw a reaction mechanism to show what would happen if you added the HCl to the Grignard reagent before adding benzophenone.
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- Draw the products obtained by reacting a sulfonitric mixture with: 4-nitrophenol, 2,4-dinitrophenol, phenol, 4-methoxyphenol, 4-chlorophenol.Show how to prepare alcohol by treating an ester with a Grignard reagent.Drawing an Enol and a Ketone Formed by Hydration of an Alkyne Draw the enol intermediate and the ketone product formed in the following reaction.
- Acetals are formed from the reaction of two alcohols with a carbonyl under acidic conditions. Acetal formation is faster with 1,2-ethanediol than with two methanol molecules. Choose the factor that explains the difference in reaction rates. A) The reaction with 1,2-ethanediol has a lower AH (enthalpy) of reaction. B) The reaction with 1,2-ethanediol has a higher AH (enthalpy) of reaction. C) The reaction with 1,2-ethanediol has a more favorable entropy of reaction.Draw a synthetic route for the given product starting with 1-bromopropane.which reagents complete the reaction?
- Which one is an acetal?Answer the following questions about curcumin, a yellow pigment isolated from turmeric, a tropical perennial in the ginger family and a principal ingredient in curry powder.a.In Chapter 11, we learned that most enols, compounds that contain a hydroxy group bonded to a C=C, are unstable and tautomerize to carbonyl groups. Draw the keto form of the enol of curcumin, and explain why the enol is more stable than many other enols. b.Explain why the enol O—H proton is more acidic than an alcohol O—H proton. c. Why is curcumin colored? d.Explain why curcumin is an antioxidant.1% 83- 80- 70- 60- 50- 40- 30 20- 10- -0- 4000 3622.47cm-1 3547.27cm-1 3430.08cm-1 3064.48cm-1 3500 3033.50cm-1 2999.56cm-1 2952.56cm-1 3000 2844.00cm-1 2500 1725.00cm-1 cm-1 2000 | 1601.55cm-1 1435.67cm-1 1500 966.45cm-1 1027.19cm-1 1071.40cm-1 1111.83cm-1 1000 500