Table 1.

Chemical shift values of the anomeric protons in the ¹H NMR spectra and chemical shift values of the Ar- and CH₂CN bearing carbons of the pyrazole ring in the ¹³C NMR spectra of the isomeric pyrazolyl nucleosides 3a–e, 4a–e, 5a–e, and 6a–e in CDCl₃ on a Bruker Avance 300 spectrometer.

Compound	C-1′ H Shift in the 1H NMR Spectrum (ppm)		Ar- Bearing C Shifts in the 13C NMR Spectrum (ppm)		–CH2CN Bearing C Shifts in the 13C NMR Spectrum (ppm)
	Series 3	Series 5	Series 3	Series 5	Series 3	Series 5
a	6.13	5.99	144.6	145.9	141.7	142.0
b	6.10	6.02	146.2	145.8	144.0	141.8
c	6.05	5.97	145.4	144.9	141.9	141.9
d	6.05	6.00	145.2	144.7	143.7	141.9
e	6.05	6.00	145.6	143.9	142.3	141.1
	Series 4	Series 6	Series 4	Series 6	Series 4	Series 6
a	6.17	6.13	151.0	150.2	137.9	137.7
b	6.16	6.19	150.8	150.7	133.0	133.7
c	6.17	6.16	152.5	149.8	135.8	135.8
d	6.19	6.17	144.1	149.6	134.3	134.6
e	6.17	6.18	149.8	149.2	133.5	134.9