1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bS)- (6159-66-6)

Identification
Name:	1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bS)-
Synonyms:	Usnic acid,(-)- (8CI); (-)-Usnic acid; (S)-Usnic acid; l-Usnic acid
CAS:	6159-66-6
EINECS:	228-181-3
Molecular Formula:	C18H16 O7
Molecular Weight:	344.32
InChI:	InChI=1/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,11,22-23H,1-4H3/t11?,18-/m0/s1
Molecular Structure:
Properties
Flash Point:	219.1°C
Boiling Point:	594.8°C at 760 mmHg
Density:	1.49g/cm³
Refractive index:	1.643
Flash Point:	219.1°C
Safety Data

Other Product

1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-
2,6-Diacetyl-9-acetyloxy-7-hydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, sodium salt (1:1)
1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, sodium salt (1:?)
6-Acetyl-2-(1-aminoethylidene)-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)-
6-Acetyl-7,9-bis(acetyloxy)-2-(1-hydroxyethylidene)-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
3 (9bH)-Dibenzofuranone, 2,6-diacetyl-7, 9-bis(acetyloxy)-1-hydroxy-8,9b-dimethyl-
2,6-Diacetyl-7,9-dihydroxy-8-methyldibenzofuran-1,3(2H,9bH)-dione
1,4-Dibenzofurandione,4a,9b-dihydro-4a,8-dihydroxy-2,7-dimethoxy-9,9b-di(10Z)-10-pentadecen-1-yl-,(4aR,9bS)-rel-
2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione, compound with 2,2',2''-nitrilotriethanol (1:1)
Spiro[3H-benz[e]indene-3,9'-[9H-3,9a]methano- [1]benzoxepin]-2',8(2H,3'H)-dione,4,5',6',7'- tetrakis(acetyloxy)-1,3a,4,4',5,5',5a,5'a,6',7',8',9,- 9a,9b-tetradecahydro-8'-hydroxy-7-methoxy- 2,3',5a,5'a,6,8',9b-heptamethyl-,(2S,3S,3'R,- 3aS,4R,5'S,5aS,5'aR,6'R,7'R,8'R,9aS,9bS,9'aR)-
bis(2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandionato-O2,O3)copper
Spiro[3H-benz[e]indene-3,9'-[9H-3,9a]methano[1]benzoxepin]-2',8(2H,3'H)-dione,4,4',5'-tris(acetyloxy)-6'-(benzoyloxy)-1,3a,4,4',5,5',5a,5'a,6',9,9a,9b-dodecahydro-7-methoxy-2,3',5a,5'a,6,8',9b-heptamethyl-,(2S,3S,3'S,3aS,4R,4'S,5'R,5aS,5'aS,6'S,9aS,9'aS,9bS)-
2,6-Diacetyl-7,9-dihydroxy-8,9bα-dimethyldibenzofuran-1,3(2H,9bH)-dione
3,7-Dibenzofurandione,2,8-bis[(2,4-dihydroxy-6-methylphenyl)amino]-9a,9b-dihydro-1,9-dimethyl-
1H-Benzofuro[4,3,2-cde][1]benzopyran-5,6- dicarboxaldehyde,2,3,3a,9,9a,9b-hexahydro-3,- 9b-dihydroxy-3,9-dimethyl-9-(4-methyl-3- pentenyl)-,(3R,3aR,9R,9aS,9bS)-rel-(-)-
2H-Pyran-2-one,3-[[(2S,3aS,5aR,6R,9aR,9bS)-dodecahydro-5a,9b-dimethyl-7-methylene-2-(2-methyl-1-propen-1-yl)naphtho[2,1-b]furan-6-yl]methyl]-4-hydroxy-5,6-dimethyl-
2H-Pyran-2-one,3-[[(2R,3aS,5aR,6R,9aR,9bS)-dodecahydro-5a,9b-dimethyl-7-methylene-2-(2-methyl-1-propen-1-yl)naphtho[2,1-b]furan-6-yl]methyl]-4-hydroxy-5,6-dimethyl-
1(4H)-Dibenzofuranone,2,8-diacetyl-4a,9b-dihydro-3,7,9-trihydroxy-4a-methoxy-6,9b-dimethyl-,(4aR,9bS)-