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1-Hydroxybenzotriazole → 5-(2-Cyano-phenoxy)-2-pyridazin-3-yl-6-(4-methanesulfonyl-phenoxy)-1H-benzimidazole

HRID 13240
ノート
印刷プレビュー

反応式

HRID 13240 の反応式
[N:1]1[CH:6]=[CH:5][CH:4]=[C:3]([C:7](O)=O)[N:2]=1.ON1C2C=CC=CC=2N=N1.[H-].CN(C)CCCN=C=NCC.[C:32]([C:34]1[CH:66]=[CH:65][CH:64]=[CH:63][C:35]=1[O:36][C:37]1[C:51]([O:52][C:53]2[CH:58]=[CH:57][C:56]([S:59]([CH3:62])(=[O:61])=[O:60])=[CH:55][CH:54]=2)=[CH:50][C:40]2[NH:41]C(C3C=CC=CN=3)=[N:43][C:39]=2[CH:38]=1)#[N:33]>C(OCC)(=O)C.CN1CCCC1=O>[C:32]([C:34]1[CH:66]=[CH:65][CH:64]=[CH:63][C:35]=1[O:36][C:37]1[C:51]([O:52][C:53]2[CH:54]=[CH:55][C:56]([S:59]([CH3:62])(=[O:60])=[O:61])=[CH:57][CH:58]=2)=[CH:50][C:40]2[NH:41][C:7]([C:3]3[N:2]=[N:1][CH:6]=[CH:5][CH:4]=3)=[N:43][C:39]=2[CH:38]=1)#[N:33]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 757711-HydroxybenzotriazoleHCID 269369Pyridazine-3-carboxylic acidHCID 231451485-(2-Cyano-phenoxy)-2-pyridin-2-yl-6-(4-methanesulfonyl-phenoxy)-1H-benzimidazoleHCID 866192011-(3-Dimethylaminopropyl)-3-ethylcarbodiimide monohydride

生成物 1

HCID 231456775-(2-Cyano-phenoxy)-2-pyridazin-3-yl-6-(4-methanesulfonyl-phenoxy)-1H-benzimidazole

試薬・触媒・溶媒

2
HCID 8857Ethyl Acetate溶媒HCID 13387N-methyl-2-pyrrolidone溶媒

実験手順

3.3 mg of pyridazine-3-carboxylic acid, 15 mg of 1-hydroxybenzotriazole and 15 mg of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide monohydride were added in order to an N-methylpyrrolidone (0.3 ml) solution of 15 mg of 4-(2-cyano-phenoxy)-5-(4-methanesulfonyl-phenoxy)-benzene-1,2-diamine obtained in Example 17, and the reaction liquid was stirred overnight at room temperature. The reaction liquid was diluted with ethyl acetate, and washed with saturated sodium bicarbonate solution, and the solvent was evaporated away under reduced pressure. The resulting residue was dissolved in 0.2 ml of N-methylpyrrolidone, and 5 mg of ytterbium trifluoromethanesulfonate was added to it, and the reaction liquid was stirred overnight at 140° C. The reaction mixture was purified through reversed-phase middle-pressure liquid chromatography [ODS-AS-360-CC (by YMC), mobile phase: water-acetonitrile-0.1% trifluoroacetic acid]. The solvent of the resulting fraction was evaporated away under reduced pressure to obtain the entitled compound as a brown solid.

後処理

  1. customthe reaction liquid
  2. customThe reaction liquid
  3. washwashed with saturated sodium bicarbonate solution
  4. customthe solvent was evaporated away under reduced pressure
  5. dissolutionThe resulting residue was dissolved in 0.2 ml of N-methylpyrrolidone
  6. addition5 mg of ytterbium trifluoromethanesulfonate was added to it
  7. customthe reaction liquid
  8. stirringwas stirred overnight at 140° C
  9. customThe reaction mixture was purified through reversed-phase middle-pressure liquid chromatography [ODS-AS-360-CC (by YMC), mobile phase: water-acetonitrile-0.1% trifluoroacetic acid]
  10. customThe solvent of the resulting fraction was evaporated away under reduced pressure

出典と根拠

ORDレコード
ord-5774c958750448d2b4d40f2b1deb96a8
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07728025B2

反応ノート

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