4) Choose how many “occupied MOs" can occur for the conjugated n-system of B-carotene and LED compounds? NO2 NH2 beta-carotene LED material (a) 22 and 6 (b) 11 and 6 (c) 22 and 12 (d) 11 and 12 5) The diene is not suitable for Diels-Alder [4+2] cycloaddition? (c) (d) (а) (b) 6) Which one of bicyclic isomers is appropriate for both Diels-Alder and 1,2-/1,4-additions? (c) (d) (b)

4) Choose how many “occupied MOs" can occur for the conjugated n-system of B-carotene and LED compounds? NO2 NH2 beta-carotene LED material (a) 22 and 6 (b) 11 and 6 (c) 22 and 12 (d) 11 and 12 5) The diene is not suitable for Diels-Alder [4+2] cycloaddition? (c) (d) (а) (b) 6) Which one of bicyclic isomers is appropriate for both Diels-Alder and 1,2-/1,4-additions? (c) (d) (b)

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter15: Benzene And Aromaticity

Section15.SE: Something Extra

Problem 45AP

See similar textbooks

Similar questions

2) Predict the major product for each Diels-Alder reaction. Include stereochemistry where appropriate. H. C=N (a) H H. CH3 CH;O, (b) Ph (c) Ph
6) Provide the enantiomeric Diels-Alder adducts that would form from the following reaction along with the two transition states leading to them: + HO₂C
10
Explain [3,3] Sigmatropic Rearrangements ?
The first step in a synthesis of dodecahedrane involves a Diels-Alder reaction between the cyclopentadiene derivative (1) and dimethyl acetylenedicarboxylate (2). Show how these two molecules react to form the dodecahedrane synthetic intermediate (3). + CH,0OCC=CCOOCH, COOCH ČOOCH3 Cyclopentadienyl- cyclopentadiene (1) Dimethyl acetylene- dicarboxylate (2) (3)
If Maleimide (190 mg, 1.96 mmol) and 2,3 - dimethyl-1,3 - butadiene (0.450 mL, 3.98 mmol ) are added to a heated reaction vessel and undergo a dienes alder reaction. Calculate theoretical yield of Diels Alder product based on the limited reagent and Determine % yield of Diels Alder product if the weight of the product is 0.29g
Diels Adler reaction-- predict the product--- provide mechanism of formation.
Q3. 1. What is meant of 1,2-adduct and 1,4-adduct for the reaction of 1,3-butadiene with hydrobromic acid, writes the reaction? b. What is the one requirement for the diene of a Diels-Alder reaction?
Give me products of g to k reaction
Predict the products of the following Diels-Alder reactions?
4B1 Write the possible reactants that gave the following products in the Diels-Alder reaction oso
(I) Give major products for 1,2-/1,4 additions (A) Diels-Alder (B-D) cycloadditions, [2+2] cycloaddition, and Retro-Dial-Alder (E) cycloaddition. Illustrate the regiochemistry and stereochemistry (meal, enantiomer, exo or Endo) for cycloaddition B-D.