Water → Tert-butyl (6-iodoimidazo[1,2-b]pyridazin-2-yl)carbamate

HRID 1667802

反応式

HRID 1667802 の反応式
[NH2:1][C:2]1[N:3]=[N:4][C:5]([I:8])=[CH:6][CH:7]=1.Cl[CH2:10][C:11]([NH:13][C:14](=[O:20])[O:15][C:16]([CH3:19])([CH3:18])[CH3:17])=O.P([O-])([O-])(O)=O.[Na+].[Na+].O>CN(C)C(=O)C>[I:8][C:5]1[CH:6]=[CH:7][C:2]2[N:3]([CH:10]=[C:11]([NH:13][C:14](=[O:20])[O:15][C:16]([CH3:19])([CH3:18])[CH3:17])[N:1]=2)[N:4]=1

参加物

6

反応条件

温度
120 °C

実験手順

To a solution of 3-amino-6-iodopyridazine (10.0 g, 45.2 mmol) in N,N-dimethylacetamide (100 mL) were added tert-butyl (chloroacetyl)carbamate (14.0 g, 72.4 mmol) and disodium hydrogenphosphate (16.1 g, 113 mmol), and the mixture was stirred at 120° C. for 3 hr. After cooling the mixture to room temperature, water (400 mL) was added to the mixture, and the precipitated crystals were filtrated, and washed with acetonitrile and petroleum ether to give the title compound (10.2 g, 63%) as a green powder.

後処理

  1. temperatureAfter cooling the mixture to room temperature
  2. filtrationthe precipitated crystals were filtrated
  3. washwashed with acetonitrile and petroleum ether

出典と根拠

ORDレコード
ord-aa5d0997e61b4d249e11e4324f9a7d5e
出典データセット
uspto-grants-2011_10
特許番号
US08044049B2

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