Table 1.

NMR data for 1 measured in CD₃OD.

Position	δc a, Type	δHb, Mult (J in Hz)	Position	Δc a, Type	δHb, Mult (J in Hz)
1	104.5, C		3′	116.9, C
2	144.7, C		4′	161.8, C
3	113.5, CH	6.28, dd, (2.0, 0.5)	5′	114.3, CH	6.25, s
4	166.9, C		6′	148.7, C
5	102.2, CH	6.19, d, (2.4)	7′	141.1, C
6	165.9, C		8′	120.6, CH	5.34, dq, (6.8, 1.3)
7	171.3, C		9′	14.0, CH3	1.70, dd, (6.8, 0.8)
8	24.6, CH3	2.59, s	10′	18.8, CH3	1.92, s
1′	116.7, C		11′	9.6, CH3	2.01, s
2′	151.3, C		12′	175.2, C

^{a 13}C-NMR recorded in CD₃OD at 125 MHz; ^{b 1}H-NMR recorded in CD₃OD at 500 MHz.