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CAS No. : | 856851-48-4 | MDL No. : | MFCD09835252 |
Formula : | C7H8ClNO | Boiling Point : | 230.9±20.0°C at 760 mmHg |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 157.60 | Pubchem ID : | 23437036 |
Synonyms : |
|
TPSA :Topological Polar Surface Area | - | H-Bond Acceptor Count : | - |
XLogP3 : | - | H-Bond Donor Count : | - |
SP3 : | - | Rotatable Bond Count : | - |
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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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With potassium carbonate In N,N-dimethyl-formamide at 0 - 40℃; for 2.00 h; | To a stirred solution of 6-chloropyridin-3-ol (3.0 g, 23.2 mmol) in N,N-dimethylformamide (30 mL) was added iodoethane (4.33 g, 27.8 mmol, 2.22 mL), and potassium carbonate (9.60 g, 69.6 mmol) at 0°C. The reaction was warmed and stirred at 40 00 for 2 h. The reaction mixture was quenched by addition of water (30 mL) then the mixture was extracted with ethyl acetate (60 mL x 3). The combined organicphases were washed with saturated aqueous sodium chloride solution (30 mL), dried over anhydrous sodium sulfate, filtered and concentrated to give 2-chloro-5-ethoxypyridine (3.30 g, 20.9 mmol, 90 percent) as a yellow solid. 1H NMR (400 MHz, ODd3) O 7.97(d, J2.9 Hz, 1H), 7.17- 7.07(m, 2H), 3.99 (q, J7.0 Hz, 2H), 1 .36 (t, J7.0 Hz, 3H). |
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