Table 1.

¹H and ¹³C NMR data for compounds 1 and 3–5 in methanol-d₄ (δ in ppm and J in Hz).

No.	1		3		4		5
	δ${}_{{\mathrm{\text{H}}}^{a,b}}$	δCc	δ${}_{{\mathrm{\text{H}}}^{a,b}}$	δCc	δ${}_{{\mathbf{\text{H}}}^{a,b}}$	δCc	δ${}_{{\mathrm{\text{H}}}^{a,b}}$	δCc
1	–	178.3 C	–	172.7 C	–	172.9 C	–	173.0 C
2	3.61 d (11.5)	55.3 CH	–	130.1 C	–	130.2 C	–	130.0 C
3	3.26 m	52.2 CH	–	158.4 C	–	157.8 C	–	158.1 C
4	–	177.4 C	5.57 s	104.2 CH	5.56 s	104.1 CH	5.55 s	104.2 CH
5	2.38 dd (8.9, 13.7); 2.58 dd (4.0, 13.7)	36.5 CH2	3.64 d (15.4); 3.96 d (15.4)	32.9 CH2	3.60 d (15.3); 3.93 d (15.3)	32.7 CH2	3.60 d (15.3); 3.94 d (15.3)	32.8 CH2
4-OMe	3.52 s	51.8 CH3	3.52 s	57.4 CH3	3.52 s	57.3 CH3	3.53 s	57.4 CH3
1'	–	130.4 C	–	122.7 C	–	121.5 C	–	121.5 C
2'	7.21 d (8.4)	130.9 CH	7.44 d (8.9)	131.6 CH	7.34 d (8.7)	131.6 CH	7.36 d (8.7)	131.6 CH
3'	6.79 d (8.4)	116.4 CH	6.99 d (8.9)	115.0 CH	6.85 d (8.7)	116.3 CH	6.86 d (8.7)	116.4 CH
4'	–	157.8 C	–	161.7 C	–	159.5 C	–	159.5 C
5'	6.79 d (8.4)	116.4 CH	6.99 d (8.9)	115.0 CH	6.85 d (8.7)	116.3 CH	6.86 d (8.7)	116.4 CH
6'	7.21 d (8.4)	130.9 CH	7.44 d (8.9)	131.6 CH	7.34 d (8.7)	131.6 CH	7.36 d (8.7)	131.6 CH
4'-OMe	–	–	3.82 s	55.8 CH3	–	–	–	–
1”	–	130.3 C	–	129.3 C	–	128.6 C	–	128.3 C
2”	6.60 d (2.0)	131.0 CH	6.95 s	126.4 CH	6.84 s	130.9 CH	6.87 d (2.3)	131.4 CH
3”	–	128.8 C	–	129.4 C	–	122.6 C	–	131.0 C
4”	–	154.5 C	–	160.4 C	–	154.3 C	–	155.3 C
5”	6.59 d (8.2)	115.5 CH	6.65 d (8.1)	110.0 CH	6.63 d (9.0)	118.5 CH	6.69 d (8.2)	116.2 CH
6”	6.55 dd (2.0, 8.2)	128.0 CH	6.87 d (8.1)	129.4 CH	6.85 d (9.0)	128.7 CH	6.81 dd (2.3, 8.2)	128.1 CH
7”	3.21 m	29.0 CH2	3.12 dd (4.2, 9.0)	31.5 CH2	2.72 t (6.8)	23.3 CH2	2.61 m	26.2 CH2
8”	5.27 m	124.1 CH	4.56 t (9.0)	90.6 CH	1.77 t (6.8)	33.7 CH2	1.68 m	44.9 CH2
9”	-	132.8 C	–	72.5 C	–	75.3 C	–	71.5 C
10”	1.74 s	26.0 CH3	1.23 s	25.2 CH3	1.28 s	27.0 CH3	1.24 s	29.1 CH3
11”	1.70 s	17.8 CH3	1.20 s	25.4 CH3	1.28 s	27.1 CH3	1.24 s	29.1 CH3

^a Recorded at 400 MHz.

^b “m” means overlapped or multiplet with other signals.

^c Recorded at 100 MHz.