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CAS No. : | 86129-63-7 | MDL No. : | MFCD00173918 |
Formula : | C9H9Cl2NO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ZNFJVVLTQSOWJY-UHFFFAOYSA-N |
M.W : | 234.08 | Pubchem ID : | 604813 |
Synonyms : |
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Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P261-P264-P270-P271-P280-P302+P352-P304+P340-P310-P330-P361-P403+P233-P405-P501 | UN#: | 2811 |
Hazard Statements: | H301-H311-H331 | 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 |
---|---|---|
66% | 2,4-dichloro-6-methylnicotinic acid A solution of commercially available (Maybridge) ethyl 2,4-dichloro-6-methylpyridine-3-carboxylate (1.0 g, 4.3 mmol) and NaOH (342 mg, 8.6 mmol) in water (1.7 mL) and MeOH (1.5 mL) was heated to 80 C. for 4 h. The mixture was acidified using 50% H2SO4 and filtered. The solid was washed with cold water and dried to give of 2,4-dichloro-6-methylpyridine-3-carboxylic acid (582 mg, 66%): LCMS RT: 0.70 min, MH+: 206.2. | |
With water; lithium hydroxide; In tetrahydrofuran; at 85℃; for 72h; | (0728) [00272] Into a 250-mL round-bottom flask was added ethyl 2,4-dichloro-6-methylpyridine-3- carboxylate (3.00 g, 12,8 mmol ), THF (30 mL), and water (30 mL) followed by the portion-wise addition of LiOH (1.23 g, 51.3 mmol). The resulting solution was stirred for 3 days at 85 C and then concentrated in vacuo. The pH was adjusted to 3 with 4 N HC1 (aq) and the resulting (0729) 107 (0730) 144628010 vl precipitate was collected by filtration and dried in vacuo to afford 2,4-dichloro-6-methylnicotinic acid as a white solid (3.0 g), The material was used without further purification. LCMS (ESI, m/z): 206 | |