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CAS No. : | 101-79-1 | MDL No. : | MFCD00043925 |
Formula : | C12H10ClNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | YTISFYMPVILQRL-UHFFFAOYSA-N |
M.W : | 219.67 | Pubchem ID : | 7578 |
Synonyms : |
|
Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P261-P264-P270-P272-P273-P280-P301+P312+P330-P302+P352-P305+P351+P338+P310-P333+P313-P391-P501 | UN#: | 3077 |
Hazard Statements: | H302-H317-H318-H410 | Packing Group: | Ⅲ |
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 |
---|---|---|
28% | With toluene-4-sulfonic acid; In isopropyl alcohol; at 60 - 80℃;Inert atmosphere; | [0197] To a solution of Compound 7-A (1.35 g, 6.2 mmol) and compound 7-B (0.4 g,mmol) in isopropanol (25 mL) was added p-toluenesulfonic acid (1.16 g, 6.1 mmol). The resulting mixture was stirred overnight at about 60-80 C overnight under nitrogen. Monitoring by thin layer chromatography (petrol ether: ethyl acetate=2: 1 and Rf at 0.5) showed the reaction was complete. The mixture was diluted with saturated aqueous NaHCO3 (90 mL) and extracted with ethyl acetate (30 mL x 3). The organic layers were concentrated and purified by silica gel column (petrol ether: ethyl acetate= 15:1) to give the title compound (206 mg, 28%) as a solid. ?H NMR (400 MHz, DMSO) oe 6.97-6.95 (d, J=Hz, 1H), 7.06-7.04 (d, J= 8.4 Hz, 1H), 7.39-7.37 (d, J= 8.4 Hz, 1H), 7.67-7.65 (d, J=Hz, 1H), 8.87 (s, 1H), 10.39 (s, 1H). MS: 303.9 (M+lj. |
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