¹H and ¹³C NMR data of 10–11 in CD₃OD^a.

Position	10		11
	δ H	δ C	δ H	δ C
1	4.25 q (6.5)	80.8	3.96 t (6.5)	85.7
2	1.38 d (6.5)	23.8	1.61 m, 1.78 m	30.4
3			0.85 t (7.5)	9.2
1′		134.9		132.5
2′	6.59 s	104.2	6.55 s	103.5
3′		149.4		147.8
4′		135.8		134.6
5′		149.4		147.8
6′	6.59 s	104.2	6.55 s	103.5
	3.19 s	56.1	3.18 s	55.2
	3.84 s	56.3	3.83 s	55.3
	3.84 s	56.3	3.83 s	55.3

^aSignal multiplicity and coupling constants (Hz) are in parentheses. The assignments were based on HSQC, HMBC, and ¹H–¹H COSY experiments; NMR data were measured using NMR spectrometers operating at 850 MHz for 10 and 800 MHz for 11.