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CAS No. : | 2106-02-7 | MDL No. : | MFCD00042530 |
Formula : | C6H5ClFN | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | XRAKCYJTJGTSMM-UHFFFAOYSA-N |
M.W : | 145.56 | Pubchem ID : | 75013 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-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 |
---|---|---|
54% | With palladium diacetate; sodium t-butanolate; tri tert-butylphosphoniumtetrafluoroborate; In toluene; at 160℃; for 3h;Inert atmosphere; Microwave irradiation; | General procedure: NaOt-Bu (0.240 g, 2.5 mmol), Pd(OAc)2 (0.006 g, 0.025 mmol) and [HPt-Bu3][BF4] (0.010 g, 0.035 mmol) were suspended in toluene (3 ml) in a 5 ml microwave vial. The appropriate 2-chloroaniline (0.50 mmol) and aryl bromide (0.50 mmol) were then added and the vial sealed. The reaction was then heated in the microwave reactor at 160 C for 3 h, allowed to cool, and then quenched by addition of aqueous HCl (2 M, 3 ml). The organic phase was extracted with CH2Cl2 (2×20 ml), dried (MgSO4), then filtered and the solvent removed under reduced pressure. The crude product mixture was then subjected to column chromatography (SiO2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2.6 g | A stirred solution of 9 <strong>[397308-78-0]4-hydroxy-2-methylsulfanyl-pyrimidine-5-carboxylic acid</strong> (5.0 g, 26.9 mmol) and 109 2-chloro-4-fluoro-aniline (4.30 g, 29.57 mmol) in 200 mL of 24 Toluene was purged with nitrogen gas for 15 min. To the above solution 91 PCl3 (50 mL) was added. Reaction was heated at 100 C. for 48 h. Progress of reaction was monitored by LCMS. After completion of reaction, solvent was removed under reduced pressure, residue was basified with saturated solution of 56 sodium bicarbonate. In basified layer, 19 ethyl acetate (200 mL) was added, and then stirred for 10 m in. Precipitated compound was filtered off and washed with 50 mL of 7 water and dried under vacuum to obtain 110 N-(2-chloro-4-fluoro-phenyl)-4-hydroxy-2-methylsulfanyl-pyrimidine-5-carboxamide (2.60 g). LCMS: 314 [M+1]+ |
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