Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 7584-05-6, name is 3-Methylisonicotinonitrile. This compound has unique chemical properties. The synthetic route is as follows. HPLC of Formula: C7H6N2
Preparation of (E)-3-(2-(dimethylamino)vinyl)isonicotinonitrile; [00150] To a solution of 3-methylisonicotinonitrile (10 g, 85 mmol) in DMF (100 mL) was added l,l-dimethoxy-N,N-dimethylmethanamine (18.05 mL, 135 mmol). The mixture was heated to reflux overnight. The mixture was cooled to rt and an additional 3.0 mL of l,l-dimethoxy-N,N-dimethylmethanamine was added to the mixture, and it was again heated to reflux. After heating the mixture overnight, it was cooled to rt and an additional 3.0 mL of l,l-dimethoxy-N,N-dimethylmethanamine was added to the mixture. The mixture was heated overnight at reflux. The mixture was cooled to rt and an additional 3.0 mL of 1 , 1 -dimethoxy-N,N- dimethylmethanamine were added. The mixture was again heated to reflux. After heating the mixture overnight, it was cooled to rt. To the mixture was added 3.0 mL of l,l-dimethoxy-N,N-dimethylmethanamine. The mixture was heated to reflux overnight. The mixture was cooled to rt and was concentrated under reduced pressure. The residue was dissolved in dichloromethane and was loaded onto a BIOTAGE 65 + M cartridge and was purified using a 10-70% EtOAc in hexanes gradient. The expected product, (E)-3-(2-(dimethylamino)vinyl)isonicotinonitrile (7.97 g, 46.0 mmol, 54.4 % yield), was isolated as a bright-yellow solid. LC/MS: m/z 174.11 (M+H)+ , 1.690 min (method 1). 1H NMR (500 MHz, chloroform-^) I ppm 1H NMR (500 MHz, chloroform-^ I ppm 8.69 (s, 1 H) 8.14 (d, J= 5.19 Hz, 1 H) 7.23 (d, J= 4.88 Hz, 1 H) 7.15 (d, J= 13.43 Hz, 1 H) 5.21 (d, J= 13.73 Hz, 1 H) 2.95 (s, 6 H)
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Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; WO2009/158396; (2009); A1;,
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