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CAS No. : | 184475-71-6 | MDL No. : | MFCD09908046 |
Formula : | C15H11ClFN3O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | JLVTVCRXFMLUIF-UHFFFAOYSA-N |
M.W : | 319.72 | Pubchem ID : | 10471217 |
Synonyms : |
|
Chemical Name : | 4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-ol |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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 |
---|---|---|
With potassium carbonate; In N,N-dimethyl-formamide; at 80℃; for 7h; | A mixture of N-(3-chloro-4-fluorophenyl)-6-(3- chloropropoxy)-7-methoxyquinazolin-4-amine (2.00 g), 2C03 (5.00 g) and te -butyl octahydro-l H-pyrrolo[3,4-b]pyridine-l -carboxylate (1.20 g) in 20 mL of DMF was stirred at 80 C for 7 h, then poured into 50 mL of ice-water and extracted with CH2C12 (50 mL*2). The combined organic phases were dried over anhydrous Na2S04 and filtered. The filtrate was concentrated in vacuo and the residue was chromatographed with a silica gel column (eluting agent: 20: 1 (v/v) DCM/MeOH) to give the title compound as a pale yellow solid (1.10 g, 45.00 %), HPLC: 92.00 %. The compound was characterized by the following spectroscopic data: MS (ESI, pos. ion) m/z: 586.2 (?+1);? NMR (400 MHz, CDC13) ?: 1.38 (s, 9H), 1.34-1.82 (m, 6H), 2.09- 2.43 (m, 7H), 3.29 (m, 2H), 3.68 (m, 1 H), 3.83 (s, 3H), 4.06 (m, 2H), 6.93 (s, 1H), 7.06 (s, 1 H), 7.30 (s, 1 H), 7.44 (d, J = 4.0 ??, ? ?), 7.87 (d, J = 4.0 Hz, 1 H), 8.54 (s, 1 H) ppm. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Compound 40-1 (200.0 mg, 853.94 mmol) was dissolved in thionyl chloride (3 mL), and to the mixture wasadded N,N-dimethylformamide (6 mL 85.39 mmol). The reaction solution was heated to 80 C and stirred for 1 hour. Thereaction solution was concentrated under reduced pressure, and to the residue was added a solution of 3-chloro-4-fluoroaniline (130.0 mg, 893.09 mmol) in isopropanol (5 mL) at room temperature. The mixture was heated to 90 C andstirred for 3 hours. The reaction solution was concentrated under reduced pressure, and to the residue was added ethylacetate (15 mL) at room temperature. The suspension was stirred at room temperature for 1 hour and then filtered. Thefilter cake was dried in vacuo to afford compound 40-2. LC-MS: m/z = 320.1 [M+H]+. |