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525022

Sigma-Aldrich

4-Aminoindole

97%

Synonym(s):

(Indol-4-yl)amine, 4-Indolamine

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About This Item

Empirical Formula (Hill Notation):
C8H8N2
CAS Number:
5192-23-4
Molecular Weight:
132.16
Beilstein:
114919
MDL number:
MFCD01076559
UNSPSC Code:
12352100
PubChem Substance ID:
24874461
NACRES:
NA.22

Assay

97%

mp

106-109 °C (lit.)

SMILES string

Nc1cccc2[nH]ccc12

InChI

1S/C8H8N2/c9-7-2-1-3-8-6(7)4-5-10-8/h1-5,10H,9H2

InChI key

LUNUNJFSHKSXGQ-UHFFFAOYSA-N

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General description

4-Aminoindole is an indole derivative. Its cytokinin activity has been assessed by tobacco pith callus bioassay. 4-Aminoindole can be prepared by reacting 2,6-dinitrotoluene and N,N-dimethylformamide dimethylacetal in anhydrous DMF.

Application

4-Aminoindole may be used to synthesize:
  • macrolactam tumour promoter indolactam V
  • tricyclic structure of 2-substituted-pyrrolo[2,3-h]quinolin-4-one
  • 4-azidoindole
Reactant for preparation of:
  • Inhibitors of bacterial thymidylate synthase
  • Mimetics of non-alkaloid toxin lignan anticancer and antiviral agent Podophyllotoxin (PPT)
  • Inhibitors of Gli1-mediated transcription in the Hedgehog pathway
  • Protein kinase C θ (PKCθ) inhibitors
  • Indolic non-peptidic HIV protease inhibitors
  • Transient receptor potential cation channel subfamily V member 1 (TRPV1) antagonists
  • Cyclooxygenase-2 (COX-2) and lipoxygenase (LOX) inhibitors
  • 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) inhibitors
  • Short chain 4-substituted indoles as potent αvβ3 antagonist
  • Ligands of serotonin transporter and 5-HT1A receptors

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Indole-4-carboxylic acid 98%

Sigma-Aldrich

246263

Indole-4-carboxylic acid

Cytokinin activity of azaindene, azanaphthalene, naphthalene, and indole derivatives.
Torigoe Y, et al.
Phytochemistry, 11(5), 1623-1630 (1972)
Synthestic approaches to the teleocidin-related tumour promoters: a total synthesis of (?)-indolactam V.
de Laszlo SE, et al.
Journal of the Chemical Society. Chemical Communications, 4, 344-346 (1986)
An efficient synthesis of azidoindoles and azidotryptophans.
Melhado LL and Leonard NJ.
The Journal of Organic Chemistry, 48(25), 5130-5133 (1983)
Maria Grazia Ferlin et al.
Journal of medicinal chemistry, 48(9), 3417-3427 (2005-04-29)
In our search for potential new anticancer drugs, we designed and synthesized a series of tricyclic compounds containing the antimitotic 2-phenylazaflavone chromophore fused to a pyrrole ring in a pyrroloquinoline structure. Compounds 8, 18, 19, 22, 23, 25 and 26

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