Consider the following pericyclic reaction. CH3 H3C H. `H H3CO/ H3C H3CO `CH3 K L (a) Name the type of pericyclic process (b) Using frontier molecular orbital theory, predict if the above reaction will occur thermally or photochemically. In your answer you need to identify the HOMO and LUMO orbitals of both compound J and compound K and clearly show the HOMO/LUMO interaction which would lead to product L.

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Consider the following pericyclic reaction.
CH3
H3C.
H.
H3CO"/
H3C
H3CO
CH3
J
K
(a)
Name the type of pericyclic process
Using frontier molecular orbital theory, predict if the above reaction will occur thermally
(b)
or photochemically. In your answer you need to identify the HOMO and LUMO orbitals of
both compound J and compound K and clearly show the HOMO/LUMO interaction which
would lead to product L.
Thermal or Photochemical process?
Transcribed Image Text:Consider the following pericyclic reaction. CH3 H3C. H. H3CO"/ H3C H3CO CH3 J K (a) Name the type of pericyclic process Using frontier molecular orbital theory, predict if the above reaction will occur thermally (b) or photochemically. In your answer you need to identify the HOMO and LUMO orbitals of both compound J and compound K and clearly show the HOMO/LUMO interaction which would lead to product L. Thermal or Photochemical process?
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