2-Methylbutyric acid [2,3,3a,4,4a,5,7a,8,9,9a-decahydro-3,4a,8-trimethyl-2,5-dioxoazuleno[6,5-b]furan-4-yl] ester (63569-08-4)

Identification
Name:	2-Methylbutyric acid [2,3,3a,4,4a,5,7a,8,9,9a-decahydro-3,4a,8-trimethyl-2,5-dioxoazuleno[6,5-b]furan-4-yl] ester
Synonyms:	2-Methylbutyric acid [2,3,3a,4,4a,5,7a,8,9,9a-decahydro-3,4a,8-trimethyl-2,5-dioxoazuleno[6,5-b]furan-4-yl] ester;Microhelenin B
CAS:	63569-08-4
Molecular Formula:	C₂₀H₂₈O₅
Molecular Weight:	0
InChI:	InChI=1/C20H28O5/c1-6-10(2)18(22)25-17-16-12(4)19(23)24-14(16)9-11(3)13-7-8-15(21)20(13,17)5/h7-8,10-14,16-17H,6,9H2,1-5H3/t10?,11-,12+,13+,14-,16-,17+,20+/m1/s1
Molecular Structure:
Properties
Flash Point:	210.9°C
Boiling Point:	483.8°C at 760 mmHg
Density:	1.15g/cm³
Refractive index:	1.521
Flash Point:	210.9°C
Safety Data

Other Product

2-Propenoic acid,3-(methylthio)-,(3R,3aR,4S,- 4aS,5R,6S,8aR,9aR)-decahydro-4-methoxy-3,- 4a,5-trimethyl-1-oxo-3a,9a-epoxynaphtho[2,- 3-b]furan-6-yl ester,(2Z)-
Spiro[azuleno[6,5-b]furan-3(2H),5'-[5H-4a,7]ethanoazuleno[6,5-b]furan]-2,2',5,11'(3'H,3aH)-tetrone,3'a,4,4',4a,6',7',7a,7'a,8,8',9,9',9a,9'a-tetradecahydro-4-hydroxy-4a,8,8'-trimethyl-3'-methylene-,(3S,3aS,3'aR,4S,4aR,4'aR,7'S,7aR,7'aR,8R,8'R,9aR,9'aR)- (9CI)
2-Butenoic acid,2-methyl-,(3aS,4S,4aR,7aS,8S,9R,9aS)-2,3,3a,4,4a,5,7a,8,9,9a-decahydro-9-hydroxy-4a,8-dimethyl-3-methylene-2,5-dioxoazuleno[6,5-b]furan-4-ylester, (2E)-
2-Butenoic acid,2-methyl-,(3aS,4S,4aR,7aS,8S,9R,9aS)-2,3,3a,4,4a,5,7a,8,9,9a-decahydro-9-hydroxy-4a,8-dimethyl-3-methylene-2,5-dioxoazuleno[6,5-b]furan-4-ylester, (2Z)-
1H-?4,?6,?9a-?(Epoxymetheno)?-?2-?oxacycloocta[cd]?pentalen-?1-?one, 2a,?3,?4α,?4a,?5,?7,?8,?9,?10β,?10β-?decahydro-?2aα,?3β,?4a,?9β-?tetrahydroxy-?5α,?9-?dimethyl-?, 9-?acetate 3-?methanesulfonate (8CI)
Spiro[azuleno[6,5-b]furan-5(2H),7'-[7H-5,7a]- ethanoazuleno[6,5-b]furan]-2,2',6,11'(3H,3'H)- tetrone,3a,3'a,4,4',4a,4'a,5',6',8,8',9,9',9a,9'atetradecahydro- 5',8,8'-trimethyl-3,3'-bis- (methylene)-,(3aR,3'aR,4aR,4'aR,5S,5'S,7'aR,- 8S,8'S,9aS,9'aS)-rel-(+)-
2-Butenoic acid,2-methyl-,(2'S,3aS,4S,4'R,- 4aR,7'S,7aS,8S,9R,9aS)-3a,4,4a,5,7a,8,9,9aoctahydro- 9-hydroxy-7'-(1-hydroxy-1- methylethyl)-4a,5',8-trimethyl-2,5-dioxospiro- [azuleno[6,5-b]furan-3(2H),2'-bicyclo[2.2.2]oct- [5]en]-4-yl ester,(2Z)-
2-Butenoic acid,2-methyl-,(3S,3aS,4S,4aS,5R,- 6S,8aR,9aS)-decahydro-3,4a,5-trimethyl-6- [[(2Z)-3-(methylthio)-1-oxo-2-propenyl]oxy]- 1-oxo-3a,9a-epoxynaphtho[2,3-b]furan-4-yl ester,(2Z)-
Spiro[4H-4a,7-ethanoazuleno[6,5-b]furan-10,3'(2'H)-naphtho[2,3-b]furan]-2,2'(3H)-dione,3a,3'a,5',6',7,7',8',8'a,9,9',9a,9'a-dodecahydro-5,5',8,8'a-tetramethyl-3-methylene-,(3'R,3aR,3'aR,4aS,5'S,7R,8'aR,9aR,9'aR)- (9CI)
2-Butenoic acid,2-methyl-,(3aR,4S,4aR,7S,7aS,8R,9aR)-dodecahydro-7-hydroxy-4a,8-dimethyl-3-methylene-2,5-dioxoazuleno[6,5-b]furan-4-ylester, (2E)-
5-Azuleneacetic acid,decahydro-8-hydroxy-3a,- 8-dimethyl-R-methylene-,(3aS,6S,6aR,9aR,- 9bR)-2,3,3a,4,5,6,6a,9,9a,9b-decahydro-6,9adimethyl- 3-methylene-2,9-dioxoazuleno[4,5-b]- furan-8-yl ester,(3aS,5R,8R,8aR)-
2-Butenoic acid,2-methyl-,(4S,4aS,5R,6S,- 8aR,9aR)-2,4,4a,5,6,7,8,8a,9,9a-decahydro-3,- 4a,5-trimethyl-6-[[(2E)-3-[(S)-methylsulfinyl]- 1-oxo-2-propenyl]oxy]-2- oxonaphtho[2,3-b]furan-4-yl ester,(2Z)-
(Z)-2-Methyl-2-butenoic acid (1aR,1bS,2aS,3Z,4aR,7aR,8R,9aR)-1a,1b,2a,4a,6,7,7a,8,9,9a-decahydro-3-hydroxymethyl-9a-methyl-7-methylene-6-oxobisoxireno[5,6:7,8]cyclodeca[1,2-b]furan-8-yl ester
(Z)-2-Acetoxymethyl-2-butenoic acid [(1aR,1bS,2aS,3Z,4aR,7aR,8R,9aR)-1a,1b,2a,4a,6,7,7a,8,9,9a-decahydro-3-hydroxymethyl-9a-methyl-7-methylene-6-oxobisoxireno[5,6:7,8]cyclodeca[1,2-b]furan-8-yl] ester
Benzoic acid,3,4-dimethoxy-,2,3,3a,4,4a,7,9,- 9a-octahydro-3,5,8-trimethyl-3-[(2-methyl- 1-oxo-2-butenyl)oxy]-2,7-dioxoazuleno[6,5-b]- furan-4-yl ester
Spiro[4H-4a,7-ethanonaphtho[2,3-b]furan-10,3'(2'H)-naphtho[2,3-b]furan]-2,2',6',8(3H,4'H,7H)-tetrone,3a,3'a,8a,8'a,9,9',9a,9'a-octahydro-5,5',8a,8'a-tetramethyl-3-methylene-, (3'S,3aR,3'aR,4aR,7R,8aR,8'aS,9aR,9'aR)-(9CI)
2-Butenoic acid,2-methyl-,2,3,3a,4,4a,5,7a,8,9,9a-decahydro-9-hydroxy-3,4a,8-trimethyl-2,5-dioxoazuleno[6,5-b]furan-4-ylester (9CI)
Spiro[azuleno[6,5-b]furan-3(2H),6'(5'H)-[4H- 4a,7]ethanoazuleno[6,5-b]furan]-2,2',5,11'(3'H,- 3aH)-tetrone,3'a,4,4a,7',7a,7'a,8,8',9,9',9a,9'adodecahydro- 8,8'-dimethyl-3'-methylene-,(3R,3aR,3'aR,4aR,4'aS,7'S,7aR,7'aR,8R,8'R,9aR,- 9'aR)-
Propanoic acid,2-methyl-,(4S,4aR,5S,8aS)-4,- 4a,5,6,7,8,8a,9-octahydro-3,4a,5-trimethyl-9- oxonaphtho[2,3-b]furan-4-yl ester
2-Butenoic acid,dodecahydro-7-hydroxy-4a,8- dimethyl-3-methylene-2-oxoazuleno[6,5-b]- furan-4-yl ester