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ChemicalBook CAS DataBase List 3-Pyridinecarbonitrile,6-(methylthio)-(9CI)
408350-80-1

3-Pyridinecarbonitrile,6-(methylthio)-(9CI) synthesis

4synthesis methods
-

Yield:408350-80-1 100%

Reaction Conditions:

in tetrahydrofuran; for 9 h;Heating / reflux;

Steps:

47 Reference Example 47

Reference Example 47 5-Cyano-2-methylthiopyridine 2-Chloro-5-cyanopyridine (2.10 g, 15.1 mmol) and sodium thiomethoxide (1.16 g, 16.5 mmol) were added to THF (30 ml).. The reaction mixture was refluxed for 9 hrs and combined with ethyl acetate and water.. The organic layer was washed with saturated brine and dried over anhydrous magnesium sulfate.. The solvent was evaporated to give the titled compound (2.26 g, 100%) as pale yellow crystals. IR (KBr): 2229, 1585, 1533, 1460, 1363, 1113, 912, 742 cm-1.1H-NMR (CDCl3) δ: 2.59 (3H, s), 7.24-7.27 (1H, m), 7.64-7.67 (1H, m), 8.66-8.67 (1H, m).

References:

EP1424336,2004,A1 Location in patent:Page 126