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CAS No. : | 13472-79-2 | MDL No. : | MFCD00234058 |
Formula : | C5H4INO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ZDJUNNCVIDKJAN-UHFFFAOYSA-N |
M.W : | 221.00 | Pubchem ID : | 459500 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
67% | Step 1: 5-iodo-l-isopropylpyridin-2(lH)-one DME/reflux/3 hTo a stirred solution <strong>[13472-79-2]5-iodopyridin-2-ol</strong> (0.4 g, 1.80 mmol) in DME (10 mL) was added t-BuOK (0.604 g, 5.4 mmol). The mixture was stirred for 30 min at rt, K2CO3 (0.621 g, 4.5 mmol) and 2-iodopropane (0.35 mL, 3.6 mmol) were added, and the reaction was heated at reflux for about 3 h. The reaction mixture was diluted with water (30 mL) and extracted with ethyl acetate (2 x 100 mL). The combined organic extracts were washed with brine solution (10 mL), dried over Na2S04 andconcentrated under vacuum to obtain crude product. The crude product was purified by flash chromatography (silica gel, 60-120?) using 10% ethyl acetate in hexane as eluent to afford 5-iodo-l-isopropylpyridin-2(lH)-one as an off-white solid (0.41 g, 67% yield). ? NMR (400 MHz, DMSO-d6): ? 7.90 (s, 1H), 7.49 (dd, 1H), 6.21 (d, 1H), 4.94 (t, 1H), 1.25 (t, 6H), LC-MS m/z calcd for [M+H]+ 263.98, found 264.0. |
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