Table 1.

Dibenzocyclooctadiene lignans in plants of Kadsura.

No.	Compound	Substituent groups	Structures of specific substituents	Sources	References
1	Kadheterin C	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OAng, R6 = CH3, R7 = OH, R8 = OAng, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
2	Kadheterin D	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OBz, R6 = CH3, R7 = OH, R8 = OAng, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
3	Kadheterin E	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OAng, R6 = CH3, R7 = OH, R8 = OBz, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
4	Kadheterin F	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OBz, R6 = OH, R7 = CH3, R8 = OBz, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
5	Kadheterin G	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OIsobut, R6 = OH, R7 = CH3, R8 = OAng, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
6	Kadheterin H	R1 = R3 = R4 = CH3, R2 = H, R5 = β-OAng, R6 = OH, R7 = CH3, R8 = Olsoval, R9 = H, R10 = CH3		K. heteroclita	(Luo et al., 2017)
7	kadsutherin E	R1 = R2 = H, R3 = R4 = CH3, R5 = H, R6 = CH3, R7 = H, R8 = OBz, R9 = H, R10 = CH3		K. interior	(Liu et al., 2018, Liu et al., 2018)
8	14-O-Demethyl polysperlignan D	R1 = H, R2 = R3 = R4 = CH3, R5 = β-OAng, R6 = CH3, R7 = H, R8 = OTig, R9 = H, R10 = CH3		K. coccinea	(Fang et al., 2014)
9	Heilaohulignan A	R1 = R3 = R4 = CH3, R2 = OIsobut, R5 = H, R6 = H, R7 = CH3, R8 = OH, R9 = H, R10 = CH3		K. coccinea	(Liu, & Yang et al., 2018)
10	Heilaohulignan B	R1 = R3 = R4 = CH3, R2 = OIsval, R5 = H, R6 = CH3, R7 = H, R8 = O, R9 = CH3, R10 = OH		K. coccinea	(Liu, & Yang et al., 2018)
11	Heilaohulignan C	R1 = R3 = R4 = CH3, R2 = β-H, R5 = H, R6 = CH3, R7 = H, R8 = OTig, R9 = CH3, R10 = H		K. coccinea	(Liu, & Yang et al., 2018)
12	Schizanrin O	R1 = R2 = R3 = R4 = CH3, R5 = OBz, R6 = OH, R7 = CH3, R8 = OProp, R9 = H, R10 = CH3		K. induta	(Minh et al., 2014)
13	Heilaohusu C	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = CH3, R7 = H, R8 = O, R9 = OAng, R10 = CH3		K. coccinea	(Yang et al., 2019)
14	Longipedlignan A	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = OH, R7 = CH3, R8 = OBz, R9 = H, R10 = CH3		K. longipedunculata	(Liu, & Yang et al., 2018)
15	Longipedlignan B	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = CH3, R7 = OH, R8 = OBz, R9 = H, R10 = CH3		K. longipedunculata	(Liu, & Yang et al., 2018)
16	Longipedlignan C	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = OH, R7 = CH3, R8 = OCin, R9 = H, R10 = CH3		K. longipedunculata	(Liu, & Yang et al., 2018)
17	Longipedlignan D	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = CH3, R7 = OH, R8 = OCin, R9 = H, R10 = CH3		K. longipedunculata	(Liu, & Yang et al., 2018)
18	Longipedlignan E	R1 = R3 = R4 = CH3, R2 = H, R5 = H, R6 = OH, R7 = CH3, R8 = OAng, R9 = H, R10 = CH3		K. longipedunculata	(Liu, & Yang et al., 2018)
19	Longipedunculatin D	R3 = R5 = CH3, R4 = H, R6 = OGlc, R7 = H, R8 = CH3, R9 = H, R10 = OH, R11 = H, R12 = CH3		K. longipedunculata	(Liu et al., 2019)
20	Renchangianin E	R1 = H, R2 = R3 = R5 = R6 = CH3, R4 = H, R7 = OBz, R8 = OH, R9 = H, R10 = OBz, R11 = H, R12 = CH3		K. renchangiana	(Liu, Luo, Hu, Deng, & Chen, 2014)
21	Heilaohusus D	R1 = H, R2 = R3 = R4 = R5 = R6 = CH3, R7 = OBz,R8 = CH3, R9 = OH, R10 = OAc, R11 = CH3, R12 = H		K. coccinea	(Yang et al., 2019)
22	Heilaohuguosu H	R1 = OCap, R2 = β-OAc, R3 = OH, R4 = α-CH3		K. coccinea	(Jia et al., 2021)
23	Heilaohuguosu I	R1 = OAng, R2 = β-OAc, R3 = OH, R4 = α-CH3		K. coccinea	(Jia et al., 2021)
24	Heilaohuguosu J	R1 = OH, R2 = β-OCH3, R3 = OAc, R4 = α-CH3		K. coccinea	(Jia et al., 2021)
25	Heilaohuguosu K	R1 = OCH3, R2 = β-OCH3, R3 = OH, R4 = α-CH3		K. coccinea	(Jia et al., 2021)
26	Heilaohuguosu L	R1 = OCH3, R2 = β-OAc, R3 = OH, R4 = α-CH3		K. coccinea	(Jia et al., 2021)
27	Kadheterin B	R1 = OBz, R2 = OAng		K. heteroclita	(Luo et al., 2017)
28	Heilaohuguosu A	R1 = OCH3, R2 = H, R3 = β-OH, R4 = OAng		K. coccinea	(Jia et al., 2021)
29	Heilaohuguosu B	R1 = OCH3, R2 = OAng, R3 = α-OH, R4 = OH		K. coccinea	(Jia et al., 2021)
30	Heilaohuguosu C	R1 = OH, R2 = OAng, R3 = β-H, R4 = OAc		K. coccinea	(Jia et al., 2021)
31	Heilaohuguosu D	R1 = OCH3, R2 = OAng, R3 = β-H, R4 = methacry		K. coccinea	(Jia et al., 2021)
32	Heilaohuguosu E	R1 = OCH3, R2 = OAng, R3 = β-H, R4 = OH		K. coccinea	(Jia et al., 2021)
33	Heilaohuguosu F	R1 = OCH3, R2 = H, R3 = β-H, R4 = OIsobut		K. coccinea	(Chen, Luo, Zou, Lang, & Chen, 2014)
34	Heilaohuguosu G	R1 = OCH3, R2 = H, R3 = β-H, R4 = OBz		K. coccinea	(Jia et al., 2021)
35	Herteroclitin S	R1 = R2 = R4 = CH3, R3 = H, R5 + R6 = CH2, R7 = O, R8 = H, R9 = CH3, R10 = H		K. heteroclita	(Chen et al., 2014)
36	Longipedlignan K	R1 = H, R2 = R3 = R4 = R5 = CH3, R6 = H, R7 = H, R8 = OBz, R9 = CH3, R10 = H		K. longipedunculata	(Liu et al., 2019)
37	Heilaohusu A	R1 + R2 = CH2, R3 = R5 = R6 = CH3, R4 = OAng, R7 = H, R8 = OH, R9 = CH3, R10 = H		K. coccinea	(Yang et al., 2019)
38	Heilaohusu B	R1 + R2 = CH2, R3 = R5 = R6 = CH3, R4 = OIsoval, R7 = H, R8 = OIsoval, R9 = CH3, R10 = H		K. coccinea	(Yang et al., 2019)
39	Heilaohuguosu M	R1 = H, R2 = α-OH, R3 = H		K. coccinea
40	Longipedunin E			K. longipedunculata	(Zhang et al., 2018)
41	Kadsulignan W			K. heteroclita	(Shehla et al., 2018)
42	Schisantherin R	R1 + R2 = CH2, R5 + R6 = CH2, R3 = R4 = R7 = R10 = CH3, R8 = R9 = R11 = H		K. coccinea	(Xu, Su, Wei, Zhang, & Li, 2018)
43	Schisantherin S	R1 = R2 = R3 = R4 = R5 = R6 = R7 = R10=CH3, R8 = R9 = R11 = H		K. coccinea	(Xu et al., 2018)
44	Kadheterin A			K. heteroclita	(Luo et al., 2017)
45	Longipedunin			K. longipedunculata	(Guo, Gao, Zhang, & Liu, 2016)
46	Heilaohuguosu N	R1 = R2 = CH3, R3 = R4 = H		K. coccinea	(Jia et al., 2021)