. Author manuscript; available in PMC: 2020 Dec 11.

Published in final edited form as: Nucleosides Nucleotides Nucleic Acids. 2009 May;28(5):519–536. doi: 10.1080/15257770903053979

TABLE 3.

The ¹³C NMR data (chemical shifts in ppm)

	Chemical shifts, δ_TMS, ppm [J (C,F)in Hz]
Compd.	C-1 or C-1′	C-2 or C-2′	C-3 or C-3′	C-4 or C-4′	C-5 or C-5′	Others
9	106.03 dd	96.81 dd	95.04 dd	80.19 d	62.95 d	166.14 (s, Ph-C=O, arom), 133.30, 129.78, 129.55, 128.47 (Ph-C=O), 54.98 (s, OCH₃)
12	98.84 dd	96.86 dd	94.38 dd	82.76 d	62.81 d	169.34 (s, CH₃-C=O), 166.21 (s, Ph-C=O), 133.54, 129.91, 129.8, 128.59 (Ph-C=O), 21.05 (s, CH₃-C=O)
20	83.07 dd	93.57 dd	92.69 dd	82.15 dd	60.26 d	156.09 (C-6) 152.83 (C-2) 149.13 (C-4) 140.26 (d, ⁵J _C8,F2′ = 4.6, C-8) 118.49 (C-5)
22	81.75 dd	93.93 dd	92.99 dd	81.11 dd	60.40 d	157.38(C-6) 153.95(C-2) 150.70(C-4) 140.69 (d, ⁵J _C8,F2′ = 3.75, C-8) 117.89 (C-5)
21	87.95 dd	96.90 dd	93.93 dd	85.13 dd	60.30 d	152.93(C-6) 148.68(C-2) 147.94(C-4) 141.02 (s, ⁵J _C8,F2′ <1.0, C-8) 119.37 (C-5)
23	86.58 dd	97.03 dd	94.46 dd	84.04 dd	60.66 d	157.42(C-6) 153.87(C-2) 150.56(C-4) 140.06 (s, C-8) 118.69 (d, J = 5.51, C-5)