A new anthraquinone glycoside, together with α-sorinin, has been isolated from the bark of Rhamnus pallasii and its structure elucidated as physcion-8-O-β-primeveroside

1, anthraquinone glycoside, Rhamnaceae, Rhamnus pallasii, α-sorinin, physcion-8-O-β-primeveroside, 8-dihydroxy-3-methyl-6-methoxy-anthraquinone-8-O-β-primeveroside

13C NMR data:
Linkage	Residue	C1	C2	C3	C4	C5	C6
6,6	bDXylp	104.1	73.2	76.3	69.3	65.5
6	bDGlcp	99.8	73.2	76.0	69.7	76.0	67.8
8	Me
	Subst


1H NMR data:
missing...

There is only one chemically distinct structure:

SVGMWSMILES3D molIonize

 

COc1cc(O[C@@H]2O[C@H](CO[C@@H]3OC[C@@H](O)[C@H](O)[C@H]3O)[C@@H](O)[C@H](O)[C@H]2O)c2c(O)c3c(cc2c1)COC3=O

540.474 g/mol (C₂₄H₂₈O₁₄)

A new anthraquinone glycoside, together with α-sorinin, has been isolated from the bark of Rhamnus pallasii and its structure elucidated as physcion-8-O-β-primeveroside

1, anthraquinone glycoside, Rhamnaceae, Rhamnus pallasii, α-sorinin, physcion-8-O-β-primeveroside, 8-dihydroxy-3-methyl-6-methoxy-anthraquinone-8-O-β-primeveroside

13C NMR data:
Linkage	Residue	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	C15
8,6	bDXylp	104.0	73.2	76.2	69.4	65.5
8	bDGlcp	100.4	73.2	75.8	69.4	75.8	67.8
6	Me	56.0
	Subst	164.7	119.2	147.0	124.1	108.3	160.5	107.0	161.6	186.3	181.7	136.3	106.9	114.4	131.9	21.2


1H NMR data:
missing...

There is only one chemically distinct structure:

SVGMWSMILES3D molIonize

 

COc1cc(O[C@@H]2O[C@H](CO[C@@H]3OC[C@@H](O)[C@H](O)[C@H]3O)[C@@H](O)[C@H](O)[C@H]2O)c2c(c1)C(=O)c1cc(C)cc(O)c1C2=O

578.523 g/mol (C₂₇H₃₀O₁₄)