Table 6.

¹H and ¹³C NMR data for 6 in C₅D₅N.

No.	δC	δH (J in Hz)	No.	δC	δH (J in Hz)
8	135.3		16	172.7
9	128.8	5.90 (m)	17	80.3	6.36 (s)
11	21.8	2.03 (m)	18	18.3	1.18 (s)
12	33.7	1.64 (ddd, 3.5, 3.5, 13.0)	20	122.8
		2.35 (m)	21	141.1	7.76 (t like, ca. 2)
13	40.8		22	111.0	6.71 (t like, ca., 2)
14	75.4		23	143.4	7.65 (t like, ca., 2)
15	74.7	5.15 (s)	30	18.4	2.03 (s)