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CAS No. : | 56961-75-2 | MDL No. : | MFCD00010860 |
Formula : | C7H3Cl3O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | DJYRZTCLVDKWBL-UHFFFAOYSA-N |
M.W : | 209.46 | Pubchem ID : | 92596 |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P260-P280-P303+P361+P353-P301+P330+P331-P304+P340+P310-P305+P351+P338+P310 | UN#: | 1759 |
Hazard Statements: | H314 | 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 |
---|---|---|
In methanol; water; ethyl acetate; | 11. 2-[Cyano-(2,3,5-trichlorophenyl)-methyl]-amino}-acetamidine Hydrobromide Aminoacetamidine dihydrobromide (162.1 g, 0.774 mole) was added in portions to a solution of 2,3,5-trichlorobenzaldehyde (200.0 g, 0.851 mole) in methanol (2.43 litres) at room temperature. Once the addition was complete potassium cyanide (50.4 g, 0.774 mole) was added in one portion to the resulting mixture. The suspension was then stirred at 25 C. for 4 hours before being warmed to 50 C. The mixture is stirred at 50 C. for 24 hours. Methanol was then removed in vacuo, the resulting solid was slurried in water (1.5 litres) and ethyl acetate (2.5 litres) and collected by filtration. The solid was then dried in vacuo at 50 C. overnight to give the desired product. Yield 96.31 g (33.4%), 1H nmr (d-6 DMSO) δ/ppm 8.72 (3H, br, NH); 7.99 (1H, d, J 2.3 Hz, ArH); 7.79 (1H, d, J 2.3 Hz, ArH; 5.39 (1H, d, J 10.6 Hz, ArCH(CN)NH); 4.35 (1H, m, ArCH(CN)NH); 3.56 (2H, d, J 6.4 Hz, ArCH(CN)NHCH2C(=NH)NH2). |