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Chemical Structure| 890843-29-5 Chemical Structure| 890843-29-5

Structure of 890843-29-5

Chemical Structure| 890843-29-5

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Product Details of [ 890843-29-5 ]

CAS No. :890843-29-5
Formula : C14H15BrN2O2
M.W : 323.19
SMILES Code : O=C(OC(C)(C)C)NC1=CC2=C(C(Br)=N1)C=CC=C2

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Application In Synthesis of [ 890843-29-5 ]

* 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 [ 890843-29-5 ]

[ 890843-29-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 24424-99-5 ]
  • [ 13130-79-5 ]
  • [ 890843-29-5 ]
YieldReaction ConditionsOperation in experiment
69.2% at 70℃; for 16h; A mixture of l-bromoisoquinolin-3 -amine (400 mg, 1.79 mmol, 1.00 eq) and tert-butoxycarbonyl tert-butyl carbonate (3.91 g, 17.9 mmol, 4.12 mL, 10.0 eq) was stirred at 70 C for 16 hours. The residue was purified by column chromatography (S1O2, diethyl ether/ethyl acetate = 5: 1) to give tert-butyl N-(l-bromo-3-isoquinolyl) carbamate (400 mg, 1.24 mmol, 69.2 % yield) as a yellow solid. ESI MS m/z 322.1, 324.1 [M+H]+
69.2% at 70℃; for 16h; A mixture of <strong>[13130-79-5]1-bromoisoquinolin-3-amine</strong> (400 mg, 1.79 mmol, 1.00 eq) and tert-butoxycarbonyl tert-butyl carbonate (3.91 g, 17.9 mmol, 4.12 mL, 10.0 eq) was stirred at 70° C. for 16 hours. The residue was purified by column chromatography (SiO 2, diethyl ether/ethyl acetate=5:1) to give tert-butyl N-(1-bromo-3-isoquinolyl) carbamate (400 mg, 1.24 mmol, 69.2% yield) as a yellow solid. ESI MS m/z 322.1, 324.1 [M+H] +.
69.2% at 70℃; for 16h; A mixture of l-bromoisoquinolin-3-amine (400 mg, 1.79 mmol, 1.00 eq) and e/-Z-butoxycarbonyl tert-butyl carbonate (3.91 g, 17.9 mmol, 4.12 mL, 10.0 eq) was stirred at 70 C for 16 hours. The residue was purified by column chromatography (Si02, diethyl ether/ethyl acetate = 5: 1) to give /er -butyl N-(l -bromo-3-isoquinolyl) carbamate (400 mg, 1.24 mmol, 69.2 % yield) as a yellow solid. ESI MS m/z 322.1 , 324.1 [M+H]+ .
With sodium hexamethyldisilazane; To a solution of <strong>[13130-79-5]1-bromoisoquinolin-3-amine</strong> (200 mg, 0.897 mmol, Maybridge Chemical Co., Altrincham, UK) in tetrahydrofuran (5 mL) at rt was added sodium bis(trimethylsilyl)amide (1M solution in tetrahydrofuran, 1.79 mL, 1.79 mmol). The mixture was stirred for 10 min before a solution of Boc-anhydride (0.208 mL, 0.897 mmol) in THF (1 mL) was added. The reaction mixture was stirred for 5 min before being diluted with sat. aq. NH4Cl (50 mL) and EtOAc (50 mL). The organic layer was separated, dried over Na2SO4, filtered, and concentrated. Purification by silica gel column chromatography eluting with 0-20% EtOAc in heptane afforded tert-butyl (1-bromoisoquinolin-3-yl)carbamate. m/z (ESI, +ve) 345.0 (M+Na)+.
To a solution of <strong>[13130-79-5]1-bromoisoquinolin-3-amine</strong> (200 mg, 0.897 mmol, Maybridge Chemical Co., Altrincham, UK) in tetrahydrofuran (5 mL) at rt was added sodium bis(trimethylsilyl)amide (1M solution in tetrahydrofuran, 1.79 mL, 1.79 mmol). The mixture was stirred for 10 mm before a solution of Boc-anhydnde (0.208 mL, 0.897 mmol) in THF (1 mL) was added. The reaction mixture was stirred for 5 mm before being diluted with sat. aq. NH4C1 (50 mL) and EtOAc (50 mL). The organic layer was separated, dried over Na2SO4, filtered, and concentrated. Purification by silica gel column chromatography eluting with 0-20% EtOAc in heptane afforded tert-butyl (1-bromoisoquinolin-3-yl)carbamate. m/z (ESI, +ve) 345.0 (M+Na)t
To a solution of <strong>[13130-79-5]1-bromoisoquinolin-3-amine</strong> (200 mg, 0.897 mmol, Maybridge Chemical Co., Altrincham, UK) in tetrahydrofuran (5 mL) at rt was added sodium bis(trimethylsilyl)amide (1M solution in tetrahydrofuran, 1.79 mL, 1.79 mmol). The mixture was stirred for 10 min before a solution of Boc-anhydride (0.208 mL, 0.897 mmol) in THF (1 mL) was added. The reaction mixture was stirred for 5 min before being diluted with sat. aq. NH4Cl (50 mL) and EtOAc (50 mL). The organic layer was separated, dried over Na2SO4, filtered, and concentrated. Purification by silica gel column chromatography eluting with 0-20% EtOAc in heptane afforded tert-butyl (1-bromoisoquinolin-3-yl)carbamate. m/z (ESI, +ve) 345.0 (M+Na)+.

 

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