New bakuchiol dimers from Psoraleae Fructus and their inhibitory activities on nitric oxide production

Xu, Qingxia; lv, Qian; Liu, Lu; Zhang, Yingtao; Yang, Xiuwei

doi:10.1186/s13020-021-00499-y

Chinese Medicine

Table 2 ¹³C NMR (100 MHz, CDCl₃) data for compounds 1–9

From: New bakuchiol dimers from Psoraleae Fructus and their inhibitory activities on nitric oxide production

Position	1	2	3	4	5	6	7	8	9
1	136.2, C	131.6, C	130.3, C	129.9, C	130.5, C	132.7, C	132.8, C	131.3, C	131.4, C
2	127.8, CH	123.4, CH	126.6, CH	126.4, CH	126.9, CH	126.3, CH	126.4, CH	113.7, CH	113.9, CH
3	121.4, CH	128.9, C	115.9, CH	116.3, CH	115.2, CH	123.7, CH	124.0, CH	143.7, C	143.4, C
4	152.0, C	152.1, C	159.7, C	159.4, C	157.0, C	155.3, C	154.3, C	143.0, C	143.0, C
5	121.4, CH	116.7, CH	115.9, CH	116.3, CH	115.2, CH	123.7, CH	124.0, CH	116.5, CH	116.4, CH
6	127.8, CH	127.6, CH	126.6, CH	126.4, CH	126.9, CH	126.3, CH	126.4, CH	119.5, CH	119.5, CH
7	125.9, CH	126.1, CH	126.6, CH	126.7, CH	126.5, CH	126.6, CH	126.7, CH	126.5, CH	126.6, CH
8	138.9, CH	136.7, CH	135.3, CH	135.1, CH	135.7, CH	136.5, CH	136.5, CH	136.1, CH	136.1, CH
9	42.7, C	42.6, C	42.4, C	42.4, C	42.5, C	42.5, C	42.5, C	42.5, C	42.5, C
10	41.2, CH₂	41.2, CH₂	41.3, CH₂	41.3, CH₂	41.2, CH₂	41.2, CH₂	41.2, CH₂	41.3, CH₂	41.3, CH₂
11	23.2, CH₂	23.2, CH₂	23.3, CH₂	23.2, CH₂	23.5, CH₂	23.2, CH₂	23.2, CH₂	23.2, CH₂	23.2, CH₂
12	124.6, CH	124.7, CH	124.8, CH	124.8, CH	124.8, CH	124.8, CH	124.8, CH	124.8, CH	124.8, CH
13	131.4, C	131.3, C	131.2, C	131.2, C	131.2, C	131.3, C	131.3, C	131.5, C	131.4, C
14	17.7, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃	17.6, CH₃
15	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃	25.7, CH₃
16	23.2, CH₃	23.3, CH₃	23.3, CH₃	23.3, CH₃	23.4, CH₃	23.3, CH₃	23.3, CH₃	23.4, CH₃	23.4, CH₃
17	145.5, CH	145.8, CH	146.0, CH	146.0, CH	146.0, CH	145.9, CH	145.9, CH	145.9, CH	145.9, CH
18	112.3, CH₂	112.0, CH₂	111.7, CH₂	111.7, CH₂	111.8, CH₂	111.9, CH₂	111.9, CH₂	113.9, CH₂	111.8, CH₂
1′	131.6, C	131.6, C	133.3, C	133.3, C	131.9, C	131.5, C	132.4, C	130.4, C	130.4, C
2′	163.8, C	123.4, CH	126.6, CH	129.9, CH	128.0, CH	130.6, CH	128.9, CH	129.8, CH	129.6, CH
3′	104.5, CH	128.9, C	114.7, CH	114.7, CH	115.7, CH	114.8, CH	114.8, CH	115.4, CH	115.2, CH
4′	180.4, C	152.1, C	153.6, C	153.6, C	154.8, C	154.1, C	154.7, C	156.1, C	156.0, C
5′	144.8, C	116.7, CH	114.7, CH	114.7, CH	115.7, CH	114.8, CH	114.8, CH	115.4, CH	115.2, CH
6′	146.8, C	127.6, CH	126.6, CH	129.9, CH	128.0, CH	130.6, CH	128.9, CH	129.8, CH	129.6, CH
7′	126.6, CH	126.1, CH	49.0, CH	48.1, CH	79.9, CH	82.9, CH	84.8, CH	77.4, CH	76.4, CH
8′	122.7, C	136.7, CH	89.1, CH	87.8, CH	83.1, CH	80.5, CH	83.8, CH	81.8, CH	81.4, CH
9′	43.5, C	42.6, C	43.5, C	42.5, C	39.0, C	38.6, C	39.2, C	43.0, C	43.6, C
10′	51.4, CH₂	41.2, CH₂	36.6, CH₂	35.5, CH₂	34.0, CH₂	32.8, CH₂	30.7, CH₂	38.3, CH₂	38.8, CH₂
11′	204.2, C	23.2, CH₂	27.9, CH₂	27.2, CH₂	23.2, CH₂	20.5, CH₂	20.3, CH₂	22.2, CH₂	22.2, CH₂
12′	163.0, C	124.7, CH	51.0, CH	50.7, CH	76.0, CH	76.3, CH	78.4, CH	124.5, CH	124.6, CH
13′	37.7, C	131.3, C	147.0, C	146.9, C	144.6, C	82.0, C	82.7, C	131.6, C	131.3, C
14′	22.3, CH₃	17.6, CH	111.9, CH₂	112.0, CH₂	111.5, CH₂	20.9, CH₃	24.2, CH₃	17.5, CH₃	17.5, CH₃
15′	22.5, CH₃	25.7, CH₃	19.2, CH₃	19.3, CH₃	19.3, CH₃	23.4, CH₃	21.9, CH₃	25.7, CH₃	25.7, CH₃
16′	23.9, CH₃	23.3, CH₃	28.7, CH₃	17.1, CH₃	24.3, CH₃	24.0, CH₃	23.3, CH₃	19.9, CH₃	17.4, CH₃
17′	142.5, CH	145.8, CH	141.2, CH	147.5, CH	143.4, CH	146.7, CH	145.8, CH	141.9, CH	141.9, CH
18′	114.5, CH₂	112.0, CH₂	114.2, CH₂	111.6, CH₂	112.2, CH₂	111.7, CH₂	111.1, CH₂	111.8, CH₂	112.4, CH₂
OCH3						55.1	56.8

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