Table 3.

¹³C (150 MHz) NMR data of compound 1^a and compounds 2–5 ^b (δ in ppm).

No	1	2	3	4	5	No	1	2	3	4	5
1	97.1	97. 8	97. 4	97. 9	97.4	4′	70.2	71. 5	71. 5	71. 6	71.5
3	152.3	153. 2	154.2	153. 3	154.2	5′	76.1	78. 4	78. 5	78. 4	78.5
4	104.7	111.7	109.5	111.7	109.5	6′	65.3	62.8	62.8	62.8	62.8
5	22.0	29. 4	39.6	29. 3	39.6	11-OMe	-	51.7	51.8	51.7	51.7
6	29.5	33. 2	133. 5	33. 1	133.4	1′′	62.3	-	173.5	66.3	173.6
7	100.1	104.4	126.6	104.0	126.6	2′′	15.2	-	38.6	33.7	38.6
8	131.6	135. 8	135. 8	135. 8	135.8	3′′	-	-	61.8	20.5	65.6
9	42.4	45.3	46.3	45.4	46.3	4′′	-	-	14.5	14.3	31.8
10	121.2	119. 8	118. 8	119. 8	118.8	5′′	-	-	-	-	20.2
11	169.1	169. 1	168. 8	169. 1	168.7	6′′	-	-	-	-	14.1
1′	98.8	100.1	100.2	100.1	100.2	7-OMea	-	53.9	-	53.8	-
2′	73.5	74. 6	74. 7	74. 7	74.8	7-OMeb	-	52.5	-	-	-
3′	75.8	78. 0	78. 0	78. 1	78.0

^a NMR data were obtained in chloroform-d. ^b Data were measured in methanol-d₄.