Concept explainers
(a)
Interpretation:
A method has to be suggested to prepare the following compound using cyclohexene as starting material.
Concept introduction:
Suzuki reaction:
A reaction that couples an aryl halide or vinyl halide using an Organoborane reagent.
Heck reaction:
A reaction that breaks the double bond of
Organoborane compound:
An alkyl–organoboron compound, an alkenyl–Organoboron compound, or an aryl –Organoboron compound:
Coupling reaction:
A reaction that joins two groups with a carbon-carbon single bond.
(b)
Interpretation:
A method has to be suggested to prepare the following compound using cyclohexene as starting material.
Concept introduction:
Suzuki reaction:
A reaction that couples an aryl halide or vinyl halide with an Organoboron reagent.
Heck reaction:
A reaction that breaks the double bond of alkene and then joins the fragments.
Organoborane compound:
An alkyl–organoboron compound, an alkenyl–Organoboron compound, or an aryl –Organoboron compound:
Coupling reaction:
A reaction that joins two groups with a carbon-carbon bond.
(c)
Interpretation:
A method has to be suggested to prepare the following compound using cyclohexene as starting material.
Concept introduction:
Suzuki reaction:
A reaction that couples an aryl halide or vinyl halide with an Organoboron reagent.
Heck reaction:
A reaction that breaks the double bond of an alkene and then joins the fragments.
Organoborane compound:
An alkyl–organoboron compound, an alkenyl –Organoboron compound, or an aryl–Organoboron compound:
Coupling reaction:
A reaction that joins two groups with a carbon-carbon bond.
(d)
Interpretation:
A method has to be suggested to prepare the following compound using cyclohexene as starting material.
Concept introduction:
Suzuki reaction:
A reaction that couples an aryl halide or vinyl halide with an Organoboron reagent.
Heck reaction:
A reaction that breaks the double bond of an alkene and then joins the fragments.
Organoborane compound:
An alkyl–organoboron compound, an alkenyl–Organoboron compound, or an aryl–Organoboron compound:
Coupling reaction:
A reaction that joins two groups with a carbon-carbon bond.
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Chapter 12 Solutions
Organic Chemistry
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- 1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction. 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 Potential Energy (kJ) 600 400 200 0 -200- -400 -600- -800 (i) Cl₂ (g) + Pt(s) → 2Cl (g) + Pt(s) (ii) Cl (g)+ CO (g) + Pt (s) → CICO (g) + Pt (s) Ea = 1550 kJ Ea = 2240 kJ (iii) Cl (g) + CICO (g) → Cl₂CO (g) Ea = 2350 kJ AH=-950 kJ ΔΗ = 575 ΚΙ AH=-825 kJ a. Draw the potential energy diagram for the reaction. Label the data points for clarity. The potential energy of the reactants is 600 kJ Reaction Progress b. What is the overall chemical equation? c. What is the overall change in enthalpy for the above chemical reaction? d. What is the overall amount of activation energy for the above chemical reaction? e. Which reaction intermediate would be considered a catalyst (if any) and why? f. If you were to add 2700kJ of energy to the reaction (e.g. 2700 kl of heat or electricity), would you be able to make the reaction reverse itself (i.e. have…arrow_forwarddraw the enolate anion and the carbonyl that would be needed to make this product through an aldol addition reaction.arrow_forwardDraw the Michael Adduct and the final product of the Robinson annulation reaction. Ignore inorganic byproducts.arrow_forward
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