Question

Which of the molecules below matches the 1H-NMR spectrum provided? H но Он А В C D E F 100 095 0.75 090 085 0.50 0.80 025 075 070- 065- 2 2 3 060 25 055 24 2.3 21 2.2 18 20 19 15 1.7 16 13 14 12 Chemical Shift (ppm) 0.50 045 0.40- 0.35 030 0.25 020 015 0.10 .05 95 70 60 30 35 25 The numbers given directly below each signal represent the integral for that signal. The inset enlarges the 20 Chemical Shit (op upfield region of the spectrum for clarity

Answer 1

Appearance indicates ою), от of Chemictal whift around 9.8-10 ppon presence of the group. There is руктуройто он их, о колр. 40 amwer û ne He H, "h Chemical shift Androgen Multiplicity singlet Otel a CIH) 9.6 ppm b C2H) C C2H) СэH) 2.43 ppm 1.67 ppm Qal. Oppo 2+1=3 5+1=6 2+1=3"