Question

label all protons and assign to proper peak on NMR.

provide J coupling values when necessary

5.174 4ဥia ၂၇၇ G72 6.9F 6 96 0 - 6.79 GH7 G ? ၆,HLY 5,91 HAD wununny NE ယယယယယယယယယယယ အကြီး N OU OLAN ဒီ တက်ကြီးကို *88WI

Answer 1

Here the nmr data of above structure is given below. I write down the respective values of Nmr near the atom itself because it is easier to understand.so our structure will shows delta values in ppm and J values in hertz like ..

(J=892, 292) 7. 22 4X dd) y $5.2 & Broad, s) (14), 7.1 (dd) (I=842) (7-212 7360.d) i a t Gasiatis b J = 8, 292) by I68(d,d) (5= 3 42) 3.2 (4) OCH THE HT a 7.21 Mb 3.09(d) 211 $3.8 CS) (H) (d, d) (J=842)