(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. (F)(Retro Diels-Alder)Illustrate the mechanism for the formation of 1,2- and 1,4-addition products (A):21) First count the number of _p-electronsdelocalization and then _predict whether the"aromatic", "anti-aromatic" or “non-aromatic" fbelow, and explain why. Also, circle “all basiclast three compounds. COMeక(D)70°CCOMe[2+2](E)light(F)(Retro Diels-Alder)ormation of 1,2- and 1,4-addition produ

We have to draw the major product of the given cycloaddition reactions.

Answered: COM. 70°C COMe [2+2], E) light F)…

Science

Chemistry

COM. 70°C COMe [2+2], E) light F) (Retro Diels-Alder)

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter15: Radical Reactions

Section: Chapter Questions

Problem 4CTQ

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Concept explainers

Stereochemistry and Isomerism

Stereochemistry deals with the three-dimensional structure and properties of molecules. It explains the arrangement of atoms and their manipulation within a molecule in a 3D structure. Stereochemistry can be dealt with all types of molecules. Based on the stereochemistry of a molecule, the physical and chemical properties of the molecules vary.

Question

100%

(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.

(F)
(Retro Diels-Alder)
Illustrate the mechanism for the formation of 1,2- and 1,4-addition products (A):
21) First count the number of _p-electrons
delocalization and then _predict whether the
"aromatic", "anti-aromatic" or “non-aromatic" f
below, and explain why. Also, circle “all basic
last three compounds.

COMe
క
(D)
70°C
COMe
[2+2]
(E)
light
(F)
(Retro Diels-Alder)
ormation of 1,2- and 1,4-addition produ

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