Structure of 68502-46-5
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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. : | 68502-46-5 |
Formula : | C15H14N2O4 |
M.W : | 286.28 |
SMILES Code : | O=C(OC)C1=CC=C(NCC2=CC=CC=C2)C([N+]([O-])=O)=C1 |
MDL No. : | MFCD09862452 |
InChI Key : | BNMKQLDYASAJKI-UHFFFAOYSA-N |
Pubchem ID : | 12064511 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H315-H319 |
Precautionary Statements: | P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362 |
* 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 |
---|---|---|
99% | With palladium 10% on activated carbon; hydrogen; In methanol; ethyl acetate; for 1h; | The compound (1.8g, 6.3mmol) obtained from Preparation Example 125-1 was dissolved in a mixed solution of ethyl acetate and methanol (2/1, 100ml), and 10% palladium/carbon (200mg) was added. The mixture was stirred for 1 hour under hydrogen gas. After completion of the reaction, the mixture was filtered with Celite, and the filtrate was distilled under reduced pressure and separated by column chromatography to obtain the title compound (1.6g, 99%).[1451] NMR:1H-NMR(400HMz, CDCl3); δ 7.55 (dd, 1H), 7.42 (d, 1H), 7.35 (m, 4), 7.28 (m, 1H), 6.62 (d, 1H), 4.39 (d, 2H), 4.31 (brs, 1H), 3.80 (s, 3H), 3.27 (brs, 2H) |
With hydrogen; palladium(II) hydroxide; In methanol; at 20℃; for 5h; | General procedure: Intermediate of 3 (5g), 160mL of ethanol, and Pd hydroxid (1.6g) was stirred under atmosphere of hydrogen gas for 5h. The mixture was filtered through nylon and concentrated to give 3.9g of 4 as a brown liquid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In N,N-dimethyl-formamide; at 70℃; for 8h; | General procedure: To a solution of methyl-4-chloro-3-nitrobenzoate (8.6g, 0.04mol) in DMSO (60mL) was added 0.08mol 4-methylaniline (or benzylamine in DMF). The reaction was heated to 70C and stirred for 8h. The reaction was cooled to 22C and poured into water (1000mL). a precipitate formed, which was collected by filtration and washed with cold water to afford the product (9.4g, 82%) as an orange solid. 3-nitro-4-phenylaminobenzoic acid methyl ester. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
58% | 4-Fluoro-3-nitro-benzoic acid (2.0g, 10.8mmol) was dissolved in ethanol (100ml), and benzyl amine (1.3ml, 11.9mmol) was added thereto. The mixture was stirred at 100 for 3 hours and then distilled under reduced pressure. [1446] The obtained compound was dissolved in tetrahydrofuran (100ml) and 0.25M solution of diazomethane in diethyl ether (48ml, 11.9mmol) was slowly added dropwise thereto. The mixture was stirred at room temperature for 30 minutes and then distilled under reduced pressure to obtain the title compound (1.8g, 58%). |
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