How Many Unique Carbon Signals Are Expected For Compound 1 Are The Appropriate Number Of Peaks Present You May Need 1 (21.83 KiB) Viewed 30 times
How Many Unique Carbon Signals Are Expected For Compound 1 Are The Appropriate Number Of Peaks Present You May Need 2 (32.02 KiB) Viewed 30 times
How many unique carbon signals are expected for compound (1)? Are the appropriate number of peaks present? (you may need to expand the spectrum) Which hydrogen(s) would be assigned to 18.5 ppm? The carbon signal of an ester C=0 is estimated to be 1600-1800 ppm. Explain why compound (1)'s carbonyl is on the lower end of this range around 161 ppm. 3
OF IS TE BEC -353.85 113.6 SE TOT SOE 3025 300 2016 A 214 AC We 13C NMR 4-Methylembelliferone (CD,(C=O)CD3, 101 MHz) *C NMR (101 MHz, Acetone) 161.89, 161.06, 156.38, 153.85, 127.30, 113.67, 113.51, 111.84. 103.35, 30.45, 18.54. As 20026 11184 HU 1111 -
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