Structure of 22539-55-5
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 22539-55-5 |
Formula : | C9H5ClN2O2 |
M.W : | 208.60 |
SMILES Code : | O=[N+](C1=C2C=CC=NC2=C(Cl)C=C1)[O-] |
MDL No. : | MFCD00466079 |
InChI Key : | XSJNIKQCTPVESL-UHFFFAOYSA-N |
Pubchem ID : | 252444 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
21% | In tetrahydrofuran; | 5-Chloro-1H-pyrrolo[2,3-f]quinoline To a stirred solution of <strong>[22539-55-5]8-chloro-5-nitroquinoline</strong> (5.0 g, 24 mmol) in tetrahydrofuran (70 mL) at -78 C. under Ar was added a solution of vinylmagnesium bromide (1.0 M in tetrahydrofuran, 72 mL, 72 mmol) over 5 min. The mixture was stirred for 40 minutes, poured into aqueous ammonium chloride solution (200 mL) and extracted with ether (3*100 mL). The combined organic extracts were washed (water, brine), dried (sodium sulfate), concentrated in vacuo and purified by column chromatography [SiO2; ethyl acetate-heptane (1:1)] to give 5-chloro-1H-pyrrolo[2,3-f]quinoline as an orange solid (1.0 g, 21%): mp 248-250 C.; IR νmax (Nujol)/cm-1 3198, 2924, 2854, 1500, 1465, 1377, 1364, 1290, 1162, 1126, 1085, 949, 887, 810, 780, 744, 706, 633, 599 and 512; NMR δH (400 Mz, CDCl3) 6.64 (1H, d, J 3 Hz) 7.56 (1H, t, J 4 Hz) 7.65 (1H, dd, J2.5, 8.5 Hz) 8.14 (1H, s) 8.83 (1H, d, J 8.5 Hz) 8.88 (1H, d, J 2.5 Hz) 12.37 (1H, m). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6.0003 g | In a 250 mL three-necked flask equipped with a mechanical stirring device,Add 10 mmol of methyl diphenol compound,24mmol of potassium carbonate,The system was reacted for half an hour using an ultrasonic method at a frequency of 20 KHz.Obtaining a phenolic ionic liquid,Add 24mmol 2-chloro-5-nitroquinoline,The total solid content of the reaction system is 20%, and the system is stirred and heated to 100 C.The TLC detects that the disappearance of the raw material point is the end of the reaction.After the system is cooled, the material is discharged and deionized water, filtered, dried,The crude product is obtained, and the obtained crude product is dissolved in N,N-dimethylformamide.Heat the system to reflux temperature and add deionized water.Until the system just precipitates and does not dissolve, turn off the heating, cool down and filter,6.0003 g of a dinitro compound was obtained. |