2,2'-Bi[3H-indole]-3,3'-dione

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Names

[ CAS No. ]:
2903-89-1

[ Name ]:
2,2'-Bi[3H-indole]-3,3'-dione

[Synonym ]:
dehydroindigo

Chemical & Physical Properties

[ Molecular Formula ]:
C16H8N2O2

[ Molecular Weight ]:
260.24700

[ Exact Mass ]:
260.05900

[ PSA ]:
58.86000

[ LogP ]:
1.79560

Safety Information

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Indigo
  • indigo dye
  • benzene
  • acetic acid
  • Pyridine

DownStream

  • isatin
  • Indigo
  • 3-hydroxyoxindole

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 1,1',2,2'-tetrahydro[2,2'-bi-3H-indole]-3,3'-dione
  • [2,2'-Bi-1H-indole]-3,3'-diol
  • 5,5'-Dimethyl-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione
  • 4,5,5',7,7'-Pentabromo-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione
  • 7,7'-Dichloro-Δ2,2'(3H,3'H)-bi[benzo[b]thiophene]-3,3'-dione
  • 6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione
  • 2-Chloro-5-(isocyanatomethyl)furan
  • (3,4-dihydro-2H-1-benzothiopyran-8-yl)methanol
  • (2-Chloro-4-methylpyrimidin-5-yl)methanamine
  • 4-chloro-5-ethyl-1-methyl-1H-pyrazole
  • 3,4,4,4-Tetrafluoro-2-methylbutanal
  • 4-(Hydroxymethyl)-2-methoxy-6-methylphenol
  • 2-(Difluoromethyl)pyrimidine-5-carbaldehyde
  • 4-(1,4-Dioxan-2-ylmethylamino)-3-nitrobenzenesulfonamide
  • 2-Isocyanato-4-methylbenzonitrile
  • 3-[4-(3-Methyl-1-oxobutyl)phenoxy]propanoic acid
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