| Identification | Back Directory | [Name]
1H-PYRROLO[2,3-B]PYRIDINE-3-CARBOXYLIC ACID | [CAS]
156270-06-3 | [Synonyms]
7-azaindole-3-carboxylic ...
7-AZAINDOLE-3-CARBOXYLIC ACID
7-Azaindole-3-carboxylic acid 95%
Methyl 7-azaindole-3-carboxylic acid
1H-PYRROLO[2,3-B]PYRIDINE-3-CARBOXYLIC ACID
1H-pyrrolo[2,3-b]pyridine-3-carbo×ylic acid
1H-Pyrrolo[2,3-b]pyridine-3-carboxylic acid, 3-Carboxy-1H-pyrrolo[2,3-b]pyridine | [Molecular Formula]
C8H6N2O2 | [MDL Number]
MFCD07778360 | [MOL File]
156270-06-3.mol | [Molecular Weight]
162.15 |
| Chemical Properties | Back Directory | [Melting point ]
205-209 °C | [Boiling point ]
425.3±45.0 °C(Predicted) | [density ]
1.49±0.1 g/cm3(Predicted) | [storage temp. ]
Sealed in dry,Room Temperature | [form ]
solid | [pka]
0.52±0.20(Predicted) | [Appearance]
Off-white to light brown Solid | [Water Solubility ]
Slightly soluble in water. | [InChI]
InChI=1S/C8H6N2O2/c11-8(12)6-4-10-7-5(6)2-1-3-9-7/h1-4H,(H,9,10)(H,11,12) | [InChIKey]
KYBIRFFGAIFLPM-UHFFFAOYSA-N | [SMILES]
C12NC=C(C(O)=O)C1=CC=CN=2 |
| Hazard Information | Back Directory | [Chemical Properties]
Solid | [Uses]
7-Azaindole-3-carboxylic acid is a reactant for synthesis of azaindol derivatives as new acrosin inhibitors and for preparation of triazoles via regioselective heterocyclizaiton reactions. It is also a reactant for synthesis of azaindolylcarboxy-endo-tropanamide. | [Synthesis]
(1) (1H-pyrrolo[2,3-b]pyridin-3-yl)methanol was used as a raw material and reacted with formaldehyde under microwave radiation at a molar ratio of 1:1.2. In the reaction system, the concentration of 7-azaindole to water was 1 mol/L, the molar ratio of 7-azaindole to tetramethylguanidine was 2:5, and the mass ratio of 7-azaindole to MFI zeolites was 6:7. (2) The 7-azaindole obtained from step (1) was The 7-azaindole-3-methanol was dissolved in dichloromethane, heated to 50 °C, KMnO4 was added (the molar ratio of 7-azaindole-3-methanol to KMnO4 was 12:15) and mixed thoroughly. The reaction mixture was stirred for 3 hours, then filtered, the filtrate was evaporated under reduced pressure, and the resulting solid was purified by recrystallization to give 7-azaindole-3-carboxylic acid in 94.3% yield and 99.3% purity. | [References]
[1] Patent: CN107903261, 2018, A. Location in patent: Paragraph 0021-0031; 0035-0038; 0042-0045; 0049-0059 |
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