Interpretation:
Major product has to be predicted for the given reaction.
Concept Introduction:
Diels-Alder reaction is the 4+2 addition reaction. Here a total of six pi bonds are involved resulting in formation of one pi bond and two single bonds. Diels-Alder reaction occurs via a single concerted step and not by involvement of ions. If a monosubstituted ethylene is used, the product obtained contains a stereocenter. This can be represented as,
If 1,2-disubstituted ethylene is used as starting material, then the configuration of the dienophile is preserved in the product that is formed also. This means, if the dienophile is in cis-configuration, then the product formed will also have cis-configuration.
If the dienophile is in trans-configuration, then the product formed will also have trans-configuration.
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Chapter 10 Solutions
ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.)
- Q1. (a) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH3. Use curved arrows to show the electron movement. (b) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH4*. Use curved arrows to show the electron movement.arrow_forwardWhich is NOT the typical size of a bacteria? 1000 nm 0.001 mm 0.01 mm 1 umarrow_forwardNonearrow_forward
- Show work. don't give Ai generated solutionarrow_forwardPart II. count the expected number of signals in the 1H-NMR spectrum of these compounds HO 0 одев * Cl -cl "D"arrow_forwardPart I. Create a splitting tree diagram to predict the multiplet pattern of proton Hb in the compound below: 3 (Assume that "Jab >>> ³JbC) Ha Hb He он Ha NH2 Ha HCarrow_forward
- SH 0 iq noitzouDarrow_forwardNonearrow_forward+ HCl →? Draw the molecule on the canvas by choosing buttons from the Tools (for bonas), Atoms and Advanced Template toolbars. The single bond is active by default. + M C + H± 2D EXP. CONT. K ? L 1 H₁₂C [1] A HCN O S CH3 CH 3 CI Br HC H₂ CH CH CH3 - P Farrow_forward
Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning