Benzo[2,1-b:3,4-b']dipyran-2,9-dione(8CI,9CI) (2684-82-4)

Identification
Name:	Benzo[2,1-b:3,4-b']dipyran-2,9-dione(8CI,9CI)
Synonyms:	p-Benzenediacrylicacid, 2,3-dihydroxy-, di-d-lactone (7CI); 2-Propenoic acid, 3,3'-(2,3-dihydroxy-1,4-phenylene)bis-,di-d-lactone; 2-Propenoic acid,3-(8-hydroxy-2-oxo-2H-1-benzopyran-7-yl)-, d-lactone; a-Pyrono[5',6':7,8]coumarin
CAS:	2684-82-4
Molecular Formula:	C12H6 O4
Molecular Structure:
Properties
Safety Data

Other Product

5H,11H-Furo[2',3':5,6]benzo[1,2-b:3,4-b']dipyran-5,11-dione,2,3,9,10-tetrahydro-2,3,3,9,9-pentamethyl- (8CI,9CI)
2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one,7,8-dihydro-4-hydroxy-8,8-dimethyl-3-phenyl- (8CI,9CI)
2H,10H-Benzo[1,2-b:3,4-b']dipyran-2,10-dione,9-[[4-(3-chlorophenyl)-1-piperazinyl]methyl]-8,9-dihydro-4-methyl- (9CI)
2H,8H-Benzo[1,2-b:3,4-b']dipyran-2-one,9,10-dihydro-8,8-dimethyl- (8CI,9CI)
2H,8H-Benzo[1,2-b:5,4-b']dipyran-2-one(8CI,9CI)
2H,6H-Benzo[1,2-b:5,4-b']dipyran-6-one,5-hydroxy-7-(2-hydroxy-4-methoxyphenyl)-2,2-dimethyl-10-(3-methyl-2-butenyl)-(8CI,9CI)
2H,6H-Benzo[1,2-b:5,4-b']dipyran-6-one,5-hydroxy-7-[4-hydroxy-3-(3-methyl-2-butenyl)phenyl]-2,2-dimethyl- (8CI,9CI)
4H,8H-Benzo[1,2-b:3,4-b']dipyran-4,8-dione,9,10-dihydro-5-hydroxy-2-(4-hydroxyphenyl)-10-phenyl- (9CI)
4H,8H-Benzo[1,2-b:3,4-b']dipyran-4,8-dione,9,10-dihydro-3,5-dihydroxy-2-(4-hydroxyphenyl)-10-phenyl-, (-)- (9CI)
[3,4'-Bi-2H,8H-benzo[1,2-b:5,4-b']dipyran]-2,8'-dione,10,10'-bis(1,1-dimethyl-2-propenyl)-3',4'-dihydro-5,5'-dihydroxy-2',2',8,8-tetramethyl-,(+)- (9CI)
2H,10H-Benzo[1,2-b:3,4-b']dipyran-2,10-dione,8,9-dihydro-5-methoxy-8,9-dimethyl-6-(3-methyl-2-butenyl)-4-phenyl-, (8R,9R)-(9CI)
2H,10H-Benzo[1,2-b:3,4-b']dipyran-2,10-dione,3,4,8,9-tetrahydro-5-methoxy-8,9-dimethyl-6-(3-methyl-2-butenyl)-4-pentyl-,(4R,8R,9R)- (9CI)
4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2-(2,6-dihydroxyphenyl)-2,3,9,10-tetrahydro-5-hydroxy-8,8-dimethyl-9-(3-methyl-2-butenyl)-,(2S,9R)- (9CI)
4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2-(2,4-dihydroxyphenyl)-2,3,9,10-tetrahydro-5-hydroxy-8,8-dimethyl-9-(3-methyl-2-butenyl)-(9CI)
Benzo[1,2-b:4,5-b']dipyran(8CI,9CI)
2H,10H-Benzo[1,2-b:3,4-b']dipyran-2,10-dione,9-[[4-(4-chlorophenyl)-1-piperazinyl]methyl]-8,9-dihydro-4-methyl- (9CI)
2H,10H-Benzo[1,2-b:3,4-b']dipyran-2,10-dione,8,9-dihydro-4-methyl-9-[[4-(4-methylphenyl)-1-piperazinyl]methyl]- (9CI)
2H,8H-Benzo[1,2-b:3,4-b']dipyran,2,8-dimethyl-2,8-bis(4-methyl-3-pentenyl)-5-pentyl- (8CI,9CI)
2H,6H-Benzo[1,2-b:5,4-b']dipyran-2,6-dione,7,8-dihydro-5-hydroxy-7,8-dimethyl-10-(3-methyl-2-buten-1-yl)-4-phenyl-,(7R,8R)-rel-
2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one,7,8-dihydro-5-methoxy-8,8-dimethyl- (8CI,9CI)