Table 1.

¹³C NMR (100/125 MHz) Data for Compounds 1–4 and 8–12

no.	1a	2c	3a	4a	8c	9a	10a	11a	12b
1	173.1, C	174.9, C	173.2, C	171.5, C	173.4, C	168.9, C	169.5, C	169.2, C	176.8, C
2	99.0, C	98.8, C	98.8, C	106.4, C	98.4, C	100.2, C	99.0, C	96.6, C	96.9, C
3	179.5, C	180.7, C	178.9, C	186.5, C	180.9, C	199.0, C	199.7, C	180.7, C	201.2, C
4	40.3, CH	40.4, CH	39.9, CH	40.0, CH	40.7, CH	40.5, CH	42.2, CH	30.0, CH	38.1, CH
5	33.7, CH2	34.2, CH2	33.1, CH2	38.3, CH2	32.8, CH2	40.3, CH2	38.4, CH2	46.1, CH2	47.5, CH2
6	48.1, CH	48.1, CH	47.7, CH	77.8, C	48.5, CH	79.7, C	45.9, CH	78.0, C	210.9, C
7	210.7, C	210.2, C	210.5, C	209.1, C	209.5, C	207.2, C	211.6, C	215.3, C	170.2, C
8	58.5, CH	59.7, CH	58.5, CH	66.1, CH	53.2, CH	48.3, CH	34.4, CH2	43.9, CH2	122.6, CH
9	27.2, CH2	27.6, CH2	26.8, CH2	77.1, CH	36.2, CH2	55.9, CH	19.4, CH2	27.2, CH	149.8, CH
10	50.3, CH	49.7, CH	48.8, CH	50.6, CH	60.5, C	45.9, CH	44.6, CH	45.3, CH	47.8, CH
11	81.3, CH	80.9, CH	78.9, CH	72.2, CH	64.8, CH	67.0, CH	74.8, CH	71.7, CH	120.8, CH
12	76.0, C	78.5, C	77.6, C	76.8, C	75.4, C	88.6, C	88.5, C	84.9, C	141.0, C
13	73.7, C	27.7, CH	35.2, CH	26.7, CH	86.5, C	27.6, C	35.0, C	28.0, CH	32.5, CH
14	44.2, CH2	33.8, CH2	29.4, CH2	33.6, CH2	38.7, CH2	34.7, CH2	33.4, CH2	40.6, CH2	36.2, CH2
15	86.9, C	87.4, C	87.2, C	80.7, C	95.2, C	78.0, C	77.8, C	76.7, C	86.0, C
16	84.4, C	85.7, C	84.8, C	87.0, C	90.0, C	179.4, C	184.6, C	171.5, C	199.4, C
17	19.6, CH3	19.9, CH3	19.4, CH3	18.8, CH3	21.0, CH3	17.3, CH3	16.5, CH3	17.2, CH3	18.0, CH3
18	19.3, CH3	19.8, CH3	19.0, CH3	28.1, CH3	20.0, CH3	25.7, CH3	19.3, CH3	28.0, CH3	30.1, CH3
19	17.6, CH3	20.9, CH3	20.8, CH3	20.6, CH3	15.5, CH3	18.6, CH3	19.1, CH3	19.0, CH3	21.3, CH3
20	26.0, CH3	16.1, CH3	61.5, CH2	15.9, CH3	20.5, CH3	16.0, CH3	60.2, CH2	16.0, CH3	19.5, CH3
9-OCH3				56.9, CH3

^aMeasured in DMSO-d₆.

^bMeasured in CD₃OD.

^cMeasured in CDCl₃.