H₂N O atom 1 CH3 atom 2 02 isoxazole ring Assuming the heterocyclic ring above to be planar: Give the number of electrons that are contributed to the pi system of the heterocyclic ring by: bextra, a COX-2 inhibitor, used in the treatment of arthritis atom 3 NA ✓ Enter NA for atom 3 if the tructure above has only two numbered coms. How many electrons are in the pi system of the heterocyclic ring? (In the case of fused rings add all the pi electrons.) Is the heterocyclic ring with the numbered atoms aromatic?[

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter7: Cycloalkanes
Section: Chapter Questions
Problem 15E
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H₂N
S=0
atom 1
CH3
; atom 2
isoxazole
ring
Assuming the heterocyclic ring above to be planar:
Give the number of electrons that are contributed to the pi system of the heterocyclic ring by:
bextra, a COX-2 inhibitor, used in
the treatment of arthritis
✓; atom 3 NA . Enter NA for atom 3 if the structure above has only two numbered atoms.
How many electrons are in the pi system of the heterocyclic ring? (In the case of fused rings add all the pi electrons.)
Is the heterocyclic ring with the numbered atoms aromatic?[
Transcribed Image Text:H₂N S=0 atom 1 CH3 ; atom 2 isoxazole ring Assuming the heterocyclic ring above to be planar: Give the number of electrons that are contributed to the pi system of the heterocyclic ring by: bextra, a COX-2 inhibitor, used in the treatment of arthritis ✓; atom 3 NA . Enter NA for atom 3 if the structure above has only two numbered atoms. How many electrons are in the pi system of the heterocyclic ring? (In the case of fused rings add all the pi electrons.) Is the heterocyclic ring with the numbered atoms aromatic?[
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