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| | 2-Methylindole-3-carboxaldehyde Basic information |
| | 2-Methylindole-3-carboxaldehyde Chemical Properties |
| Melting point | 200-201 °C (lit.) | | Boiling point | 344.3±22.0 °C(Predicted) | | density | 1.226±0.06 g/cm3(Predicted) | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | solubility | soluble in Methanol | | pka | 16.08±0.30(Predicted) | | form | Powder | | color | Brown | | InChI | 1S/C10H9NO/c1-7-9(6-12)8-4-2-3-5-10(8)11-7/h2-6,11H,1H3 | | InChIKey | CYZIVXOEJNAIBS-UHFFFAOYSA-N | | SMILES | Cc1[nH]c2ccccc2c1C=O | | CAS DataBase Reference | 5416-80-8(CAS DataBase Reference) | | EPA Substance Registry System | 1H-Indole-3-carboxaldehyde, 2-methyl- (5416-80-8) |
| Hazard Codes | Xi,Xn | | Risk Statements | 36/37/38-22 | | Safety Statements | 37/39-26 | | WGK Germany | 3 | | TSCA | TSCA listed | | HazardClass | IRRITANT | | HS Code | 29339900 | | Storage Class | 11 - Combustible Solids | | Hazard Classifications | Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| | 2-Methylindole-3-carboxaldehyde Usage And Synthesis |
| Chemical Properties | Brown powder | | Uses | Reactant for preparation of:• ;Tryptophan dioxygenase inhibitors pyridyl-ethenyl-indoles as potential anticancer immunomodulators1• ;Fluorescent sensors (BODIPY)2• ;Antimicrobial agents against methicillin-resistant Staphylococcus aureus3• ;G protein-coupled receptor CRTh2 antagonists4• ;Inhibitors of PI3 kinase-α5• ;Antitubercular agents6• ;Anti-inflammatory agents7• ;Mycobacterium tuberculosis protein tyrosine phosphatase B8• ;Glucocorticoid receptor ligands9• ;Agents stimulating neurite outgrowth10 | | Uses | Reactant for preparation of:
- Tryptophan dioxygenase inhibitors pyridyl-ethenyl-indoles as potential anticancer immunomodulators
- Fluorescent sensors (BODIPY)
- Antimicrobial agents against methicillin-resistant Staphylococcus aureus
- G protein-coupled receptor CRTh2 antagonists
- Inhibitors of PI3 kinase-α
- Antitubercular agents
- Anti-inflammatory agents
- Mycobacterium tuberculosis protein tyrosine phosphatase B
- Glucocorticoid receptor ligands
- Agents stimulating neurite outgrowth
| | Synthesis Reference(s) | Chemical and Pharmaceutical Bulletin, 31, p. 2892, 1983 DOI: 10.1248/cpb.31.2892 | | General Description | Oxidative activation of 2-methylindole-3-carboxaldehyde via N-heterocyclic carbene organocatalysis generates heterocyclic ortho-quinodimethane as a key intermediate. | | Synthesis | GENERAL PROCEDURE: Phosphorus oxychloride (POCl3, 1.73 mL, 18.6 mmol) was slowly added dropwise to stirred and ice-bath cooled N,N-dimethylformamide (DMF, 5.0 mL). The reaction mixture was stirred at 1-5 °C for 20 min before a solution of 2-methylindole (15.5 mmol) in DMF (5.0 mL) was slowly added. The resulting reaction mixture was gradually warmed to 35 °C and maintained at this temperature for 40 min. The mixture was then cooled to room temperature. Ice (about 10 g) was added to the mixture, followed by the addition of 5 M sodium hydroxide (NaOH) solution (31 mL, 155 mmol). The reaction mixture was heated at 95 °C for 30 min and then cooled to room temperature. Ice (~10 g) was again added to the mixture and the resulting reaction mixture was stirred for 30 minutes. 2-Methylindole-3-carbaldehyde was collected by filtration and washed several times with distilled water. | | References | [1] Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984, # 12, p. 2895 - 2901
[2] Tetrahedron Letters, 2018, vol. 59, # 11, p. 1014 - 1018
[3] Chemical Biology and Drug Design, 2011, vol. 78, # 5, p. 864 - 868
[4] European Journal of Medicinal Chemistry, 2003, vol. 38, # 1, p. 75 - 87
[5] European Journal of Medicinal Chemistry, 2013, vol. 65, p. 158 - 167 |
| | 2-Methylindole-3-carboxaldehyde Preparation Products And Raw materials |
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