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CAS No. : | 96424-68-9 | MDL No. : | MFCD04039344 |
Formula : | C5H3BrClN | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | GOHBBINNYAWQGO-UHFFFAOYSA-N |
M.W : | 192.44 | Pubchem ID : | 7016326 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302+H312+H332-H315-H319 | Packing Group: | |
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 |
---|---|---|
74% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate; In 1,2-dimethoxyethane; water; at 90℃; for 2h;Inert atmosphere; | Example 29.N-(3-chloro-6?-(S-( i-methyl-i H-pyrazol-4-yl)- 1 H-benzo[d}imidazol- l-yl)-[2,4?- bipyridinj-2?-yl)cyclopropanesulfonamidea) 2?,3,6?-Trichloro-2,4?-bipyridine A solution of <strong>[1072951-54-2](2,6-dichloropyridin-4-yl)boronic acid</strong> (0.76 g, 4 mmol) in 1,2- dimethoxyethane (15 ml) was degassed by N2 bubbling for 5 mm. 2-Bromo-3-chloro- pyridine (0.7 g, 3.63 mmol, 1.2 eq) was added and the mixture was degassed for another 5 mm. Pd(dppf)C12 (0.3 g, 0.36 mmol, 0.1 eq) and aqueous sodium carbonate (1.15 g,10.9 mmol, 3 eq) were added sequentially using the procedure of Intermediate Example1 and then heated at 90 C for 2 h. The reaction mixture was then quenched and extracted as in Intermediate Example 1. The solvent was distilled off to afford the crude residue which was purified by column chromatography (60-120 silica gel, 10 % ethyl acetate in hexane) to afford the title product in 74 % yield (0.7 g). ?H NMR (300 MHz,CDC13): oe 8.63 (dd, 1H),7.86 (m, III), 7.68 (s, 2H), 7.37 (dd, 1H). |
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