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CAS No. : | 97229-11-3 | MDL No. : | MFCD09701372 |
Formula : | C5H5ClN2O2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | BWVZLXTZQHILRC-UHFFFAOYSA-N |
M.W : | 192.62 | Pubchem ID : | 11148232 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | 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 |
---|---|---|
54% | With sodium hydride; In tetrahydrofuran; mineral oil; at -25 - 25℃; for 18.5h; | This reaction was carried out in two identical batches. A solution of (4-chloro-2- fluorophenyl)methanol (5.42 g, 33.8 mmol) in THF (60 ml_) was added drop-wise, over a period of 25 minutes, to a -25 C suspension of 4-chloro-2-(methylsulfonyl)pyrimidine (13.0 g, 67.5 mmol) and sodium hydride (60% dispersion in mineral oil; 2.43 g, 60.8 mmol) in THF (180 ml_). The reaction mixture was allowed to stir at room temperature (25 C) for 18 hours, whereupon the two batches were combined and concentrated in vacuo. The residue was diluted with saturated aqueous ammonium chloride solution (120 ml_) and extracted with EtOAc (3 x 100 ml_); the combined organic layers were dried over sodium sulfate, filtered, concentrated under reduced pressure, and purified via silica gel chromatography (Gradient: 0% to 6% EtOAc in petroleum ether), affording P8 as a white solid. Combined yield: 9.93 g, 36.4 mmol, 54%. LCMS m/z 272.7 (dichloro isotope pattern observed) [M+H]+. 1H NMR (400 MHz, Chloroform-d) 5 8.41 (d, 1 H), 7.48 (dd, 1 H), 7.17 - 7.10 (m, 2H), 7.02 (d, 1 H), 5.46 (s, 2H). |
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