CO, Reduction Products COSY Assignment Known Standards Chemical Shift H cross splitting coupling peaks "C "C "C (HSQC) (1D) splitting Probed Nucleus Product Name TH Chemical splitting Shift J coupling "C (10) 9.57 9.55 2.93 2.12 CHỊCH CHO CHCHO Propionaldehyde 9.57 209.6 8.33 172.2 171.76 HCOO Acetaldehyde Formate 9.55 2.93 206.9 8.33 171.77 161.16 Bicarbonate Electrolyte 162.97 130.74 Phenol Internal Standard 7.2 7.61 130.7 121.24 Phenol Internal Standard t 6.86 7.61 121.07 115.92 Phenol Internal Standard d 6.8 8.78 116.31 5.89 m 5.16, 5.06, 3.99 137.4 137.79 dd 5.16 17.57 5.13 4.68 5.89,3.99 1.21 dd 116.36 d CH,CHCH,OH CH,CHCH,OH Allyl Alcohol m 5.9 136.86 Allyl Alcohol 5.17 17.33 115.74 88.67 d 5.06 d 10.54 5.89, 3.99 116.36 d CH,CH(OH), CH,CHCH,OH Acetaldehyde 5.13 5.37 88.57 Allyl Alcohol d 5.07 10.5 115.74 4.94 5.27 3.4 90.6 d (OH),CHCH,OH Glycolaldehyde t 4.94 5.13 90.63 4.843 5.27 CH,CH,CH(OH), Propionaldehyde t 4.85 5.87 92.77 91.4 (OH), CHCH(OH), Glyoxal 91.39 WATER 4.25 S | CH,C(=O)C H₂OH | Hydroxyacetone 4.25 68.36 3.99 4.68 5.9, 5.15, 5.05 63.5 63.44 d CH,CHCOH Allyl Alcohol dt 3.99 5.13, 1.46 62.96 3.545 63.65 63.41 HOCHCH₂OH Ethylene Glycol 3.54 63.41 3.54 7.03 1.06 58.3 58.3 d CH,CH,OH Ethanol 3.53 7.32 58.3 3.44 7.03 1.42 64.35 64.42 d CH,CH,CH₂OH n-Propanol 3.44 6.49 64.43 3.4 4.68 4.94 65.6 65.38 d (OH), CHC,OH Glycolaldehyde d 3.4 5.13 65.42 3.23 49.85 49.76 CH₂OH Methanol S 3.23 49.75 2.44 7.03 37.25 DMSO CHỊCH CHỊU Internal Standard 2.6 39.6 Propionaldehyde σ 2.44 7.32 37.34 2.12 2.93 9.55 30.94 30.8 d | CH,CH=O Acetaldehyde d 2.12 2.93 30.89 2.1 30.9 CH,CHOCH₂ Acetone S 2.1 30.44 2.02 25.3 CH,C(=O)CH,OH Hydroxyacetone S 2.02 25.63 1.79 24 24.19 |CH,C(=O)0 Acetate 1.87 23.74 1.48 dt 5.85 30.95 CH,CH,CH(OH), Propionaldehyde dt 1.47 7.57, 12.94 30.45 1.42 sextet 6.44 3.44,0.77 25.28 25.37 t CH,CH,CH,OH n-Propanol sextet 1.42 7.32 25.41 1.21 d 5.27 5.13 24 23.82 d CHCH(OH), Acetaldehyde d 1.2 5.37 23.5 1.06 7.03 3.54 17.4 17.62 d CH,CH,OH Ethanol t 1.06 7.08 17.63 0.92 7.61 5.74 сискусно Propionaldehyde t 0.92 7.32 5.54 0.78 t 7.61 CHCH CH(OH), Propionaldehyde t 0.78 7.32 8.47 0.77 7.61 1.42 10.2 10.34 CH,CH,CH,OH n-Propanol 0.77 7.57 10.36