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CAS No. : | 2106-04-9 | MDL No. : | MFCD00069415 |
Formula : | C6H5ClFN | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | XWBTZHDDWRNOQH-UHFFFAOYSA-N |
M.W : | 145.56 | Pubchem ID : | 75014 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P501-P270-P264-P280-P337+P313-P305+P351+P338-P302+P352-P332+P313-P362-P301+P312+P330 | UN#: | |
Hazard Statements: | H302-H315-H319 | Packing Group: | |
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 |
---|---|---|
95% | With hydrogenchloride; In acetonitrile; for 1h;Heating / reflux;Product distribution / selectivity; | The 4- (3-chloro-2-fluoroanilino)-6-hydroxy-7-methoxyquinazoline starting material used above was prepared as follows: 6-Acetoxy-4-chloro-7-methoxyquinazoline (Example 25-5 in W001/66099 ; 10. 0g, 39.6 mmole) was suspended in acetonitrile (400 ml) and 3-chloro-2-fluoroaniline (6. 05g, 41. 6 mmole) and hydrogen chloride (4. 0M solution in 1,4-dioxane) (10.4 ml, 41.6 mmole) were added. The reaction mixture was refluxed for one hour and then allowed to cool to ambient temperature. The resulting precipitate was filtered off, washed with acetonitrile and diethylether to give a white solid. This solid was added in portions to a stirred 7N methanolic ammonia solution (400 ml). The mixture was stirred for two hours and the precipitate filtered, washed with acetonitrile followed by diethylether and dried under vacuum to give 4- (3-chloro- 2-fluoroanilino) -6-hydroxy-7-methoxyquinazoline as a white solid (12. 1g, 95%) ; lH NMR Spectrum: (DMSOd6) 3.95 (s, 3H) ; 7.18 (s, lH) ; 7.20-7. 25 (m, 1H); 7.39-7. 44 (m, lH) ; 7.47- 7.52 (m, 11-1) ; 7.65 (s, lH) ; 8.31 (s, 1H) ; 9.45 (br. s, lH) ; Mass Spectrum: (M+H) + 320. |