2018/10/27 Saturday 3C NMR 8169 ppm 3C NMR 紫杉醇 3 2018/10/27 Saturday 3 185 Formula C15H20O3 FW 248.3175 Acquisition Time (sec) 0.9789 Comment 09st412 Yucheng Gu ZML-16 Date Dec 9 2009 Date Stamp Dec 9 2009 File Name \\friapfil04\NMRprocessor\MReid Projects\09st412\CARBON_01.fid\fid Frequency (MHz) 150.85 Nucleus 13C Number of Transients 2048 Original Points Count 32768 Points Count 262144 Pulse Sequence s2pul Receiver Gain 60.00 Solvent CHLOROFORM-d Spectrum Offset (Hz) 16433.1406 Spectrum Type STANDARD Sweep Width (Hz) 33472.80 Temperature (degree C) 25.000 6 O 7 10 8 9 5 4 3 2 14 13 12 11 O 16 CH2 17 O 1 CH3 18 H C3 15 184 176 168 160 152 144 136 128 120 112 104 96 88 80 72 64 56 48 40 32 24 16 8 0 Chemical Shift (ppm) 16.33(13) 17.94(18) 29.40(12) 23.84(15) 32.44(4) 36.94(10) 37.26(11) 37.56(14) 39.40(5) 61.05(2) 67.39(3) 75.04(6) 123.66(17) 136.57(9) 169.53(8) No. Atom Exp. Shift (ppm) 1 2 61.05 2 3 67.39 3 4 32.44 4 5 39.40 5 6 75.04 6 8 169.53 7 9 136.57 8 10 36.94 9 11 37.26 10 12 29.40 11 13 16.33 12 14 37.56 13 15 23.84 14 17 123.66 15 18 17.94  169 ppm 186 HO OAc O OBz H O O OH O NH OH O AcO 2 4 7 10 13 15 1' 2' 18 19 20 16 3' 5 6 3 14 1 12 11 17 8 紫杉醇