Draw the chemical structure of trans4nitrochalcone Circle the proton or protons that you would attempt to

Question

Draw the chemical structure of trans-4-nitrochalcone. Circle the proton or protons that you would attempt to

identify in the 1H NMR spectrum as evidence that the expected trans-isomer was formed (rather than the cis-isomer).

Chemical structure.
H
O
H
NO 2
C
( a)
O
H ( e )
H ( 6 ) -gt; 7.98 PPM , It , d
I
H
J = 15 . 7 HZ
id)
NO ,
(e
H (@ =gt; 8. 98 PPM, 1H, d
( 5 H, 7151 PPM, in)
J= 15. 7 HZ.
H (d )
– 7: 85 PPM, 24 ,…
Science