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Chemical Structure| 1289386-60-2 Chemical Structure| 1289386-60-2

Structure of 1289386-60-2

Chemical Structure| 1289386-60-2

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Product Details of [ 1289386-60-2 ]

CAS No. :1289386-60-2
Formula : C9H13BrN2
M.W : 229.12
SMILES Code : CC(NCC1=CC(Br)=NC=C1)C
MDL No. :MFCD18837161

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Application In Synthesis of [ 1289386-60-2 ]

* 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.

  • Downstream synthetic route of [ 1289386-60-2 ]

[ 1289386-60-2 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 118289-17-1 ]
  • [ 75-31-0 ]
  • [ 1289386-60-2 ]
YieldReaction ConditionsOperation in experiment
74% With sodium tris(acetoxy)borohydride; In chloroform; acetone; at 20℃; for 0.75h; General procedure: To a solution of acetone (0.38 mL, 5.2 mmol) and 8(1.0 g, 5.2 mmol) in CHCl3(10 mL) was added sodium triacetoxyborohydride (2.2 g, 10 mmol), and the mixture was stirred at room temperature for 45 min. The mixture was quenched with saturated aqueous NaHCO3solution and extracted with CHCl3. The organic layer was washed with brine, dried over anhydrous Na2SO4, filtered, and concentrated in vacuo. The residue was purified with silica gel column chromatography (0?10percent MeOH in CHCl3) to obtain 10a(0.68 g, 56percent) as a colorless oil.
2.64 g Production Example 5 N-[(2-Bromopyridin-4-yl)methyl]propan-2-amine After a mixture of isopropylamine (2.8 mL), <strong>[118289-17-1]2-bromopyridine-4-carboxaldehyde</strong> (3.00 g), and chloroform (60 mL) was stirred at room temperature, sodium triacetoxyborohydride (10.00 g) was added thereto and the mixture was stirred for 21 hr. Saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the resulting mixture was then stirred for a while and extracted with chloroform. The organic phase was separated out and the solvent was distilled off under reduced pressure. The resulting residue was purified by column chromatography (silica gel cartridge, hexane:ethyl acetate=88:12-0:100) and (NH silica gel cartridge, hexane:ethyl acetate=90:10-0:100) to afford the title compound (2.64 g). 1H NMR (600 MHz, CHLOROFORM-d) d ppm 1.09 (s, 3H), 1.10 (s, 3H), 2.79-2.86 (m, 1H), 3.78 (s, 2H), 7.23 (dd, J=5.0, 0.9 Hz, 1H), 7.50 (d, J=0.9 Hz, 1H), 8.28 (d, J=5.0 Hz, 1H) (ESI pos.) m/z: 229([M+H]+), 231([M+3]+)
  • 2
  • [ 1289386-60-2 ]
  • [ 41716-18-1 ]
  • [ 1365879-47-5 ]
YieldReaction ConditionsOperation in experiment
98% With 1-hydroxy-1H-benzotriazol hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In acetonitrile; at 20℃; General procedure: To a solution of 1-methyl-1Himidazole-4-carboxylic acid (0.50 g, 4.0 mmol), 1-hydroxybenztriazole monohydrate (0.74 g, 4.8 mmol), and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (0.92 g, 4.8 mmol) in acetonitrile (10 mL) was added a solution of 3-(trifluoromethoxy) benzylamine 8(0.84 g, 4.4 mmol) in acetonitrile (10 mL), and the mixture was stirred at room temperature for overnight. The reaction mixture was concentrated in vacuo, and saturated aqueous NaHCO3solution was added to the residue. After extraction with ethyl acetate, the organic layer was dried over anhydrous MgSO4, filtered, and concentrated in vacuo. The residue was purified using silica gel column chromatography (0?10percent MeOH in CHCl3) to obtain 9(1.18 g, 98percent) as a colorless powder
3.72 g Production Example 7 N-[(2-Bromopyridin-4-yl)methyl]-1-methyl-N-(propan-2-yl)-1H-imidazole-4-carboxamide After a solution of <strong>[41716-18-1]methyl-1H-imidazole-4-carboxylic acid</strong> (1.45 g), 1-hydroxybenzotriazole hydrate (HOBT.H2O) (2.08 g) and 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDC.HCl) (2.60 g) in acetonitrile (35 mL) was stirred at room temperature for 10 min, a solution of N-[(2-bromopyridin-4-yl)methyl]propan-2-amine (2.59 g) in acetonitrile (15 mL) was added thereto, and the resulting solution was then stirred at room temperature for 23 hr. The solvent was distilled off under reduced pressure, and the residue was then diluted with chloroform and washed with saturated aqueous sodium hydrogen carbonate solution. After extracting with chloroform, the solvent was distilled off under reduced pressure. The resulting residue was purified by column chromatography (silica gel cartridge, chloroform:methanol=98:2-82:18) and (the same column, chloroform:methanol=98:2-85:15) to afford the title compound (3.72 g). 1H NMR (600 MHz, CHLOROFORM-d) d ppm 1.10-1.24 (m, 6H), 3.57-3.80 (m, 3H), 4.45-5.91 (m, 3H), 7.12-7.62 (m, 4H), 8.20-8.27 (m, 1H) (ESI pos.) m/z: 337([M+H]+), 339([M+3]+)
 

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