859518-35-7, tert-Butyl 3-cyanopiperazine-1-carboxylate is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
859518-35-7, A solution of tert-butyl 3-cyanopiperazine-1-carboxylate, prepared as described in the previous step, (10 g, 0.047 mol) and 2-(2-hydroxyethoxy)acetaldehyde (14.8 g) (see: Bodin, A.,Contact Dermatitis, 2001,44:207) in dichloromethane was treated with formic acid (12.7 g), and the reaction mixture was stirred at room temperature overnight. Sodium cyanoborohydride (7.2 g, 0.118mol) was added in portions. The reaction mixture was stirred at room temperature for 3 hours followed by the addition of water and extraction with dichloromethane. The organic layer was w·ashed with brine, dried over sodium sulfate, filtered, and concentrated. The crude product was purified by column chromatography to provide the product. 1H NMR: (CDCl3, 400 MHz): delta (ppm) 4.15 (s, 1H), 3.69-3.63 (m, 4H), 3.58 (d, J=4.4 Hz, 2H), 3.47-3.44 (m, 4H), 2.61 (d, J=5.2 Hz, 2H), 2.51-2.48 (m, 4H), 1.43 (s, 9H).
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Reference：
Patent; JANSSEN PHARMACEUTICA NV; ORTHO-CLINICAL DIAGNOSTICS, INC; DONAHUE, Matthew Garrett; GONG, Yong; SALTER, Rhys; HRYHORENKO, Eric; DECORY, Thomas R.; REMMERIE, Bart M.; SANKARAN, Banumathi; WO2014/31600; (2014); A1;,
Piperazine – Wikipedia
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