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(1S,2R)-Cyclohexane-1,2-diamine, N1-BOC protected → tert-butyl (1S,2R)-2-(6-carbamoyl-5-(3,5-dimethylphenylamino)pyridazin-3-ylamino)cyclohexylcarbamate

HRID 1396422
ノート
印刷プレビュー

反応式

HRID 1396422 の反応式
Cl[C:2]1[N:7]=[N:6][C:5]([C:8]([NH2:10])=[O:9])=[C:4]([NH:11][C:12]2[CH:17]=[C:16]([CH3:18])[CH:15]=[C:14]([CH3:19])[CH:13]=2)[CH:3]=1.[NH2:20][C@@H:21]1[CH2:26][CH2:25][CH2:24][CH2:23][C@@H:22]1[NH:27][C:28](=[O:34])[O:29][C:30]([CH3:33])([CH3:32])[CH3:31]>CN1C(=O)CCC1.C(OCC)(=O)C>[C:8]([C:5]1[N:6]=[N:7][C:2]([NH:20][C@@H:21]2[CH2:26][CH2:25][CH2:24][CH2:23][C@@H:22]2[NH:27][C:28](=[O:34])[O:29][C:30]([CH3:32])([CH3:31])[CH3:33])=[CH:3][C:4]=1[NH:11][C:12]1[CH:17]=[C:16]([CH3:18])[CH:15]=[C:14]([CH3:19])[CH:13]=1)(=[O:9])[NH2:10]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 1514389(1S,2R)-Cyclohexane-1,2-diamine, N1-BOC protected3 回HCID 73777170HCID 73777170、化合物

生成物 1

HCID 86689771tert-butyl (1S,2R)-2-(6-carbamoyl-5-(3,5-dimethylphenylamino)pyridazin-3-ylamino)cyclohexylcarbamate収率 42%

試薬・触媒・溶媒 2

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

反応条件

温度
140 °C

実験手順

To a solution of 6-chloro-4-(3,5-dimethylphenylamino)pyridazine-3-carboxamide (44 mg, 159 μmol) in NMP (530 μL) was added tert-butyl (1S,2R)-2-aminocyclohexylcarbamate (68.2 mg, 318 μmol) and the mixture heated to 140° C. for 20 h. Additional tert-butyl (1S,2R)-2-aminocyclohexylcarbamate (68.2 mg, 318 μmol) was then added and heating continued for a further 7 h. Finally, another portion of tert-butyl (1S,2R)-2-aminocyclohexylcarbamate (34.1 mg, 159 μmol) was added and the mixture heated for 16 h. The reaction mixture was cooled, and then diluted with ethyl acetate. The phases were separated and the organic phase then washed with water and brine. The organic phase was collected, concentrated in vacuo, and the residue obtained was purified by chromatography (silica, 30 to 70% ethyl acetate in hexanes) to give tert-butyl (1S,2R)-2-(6-carbamoyl-5-(3,5-dimethylphenylamino)pyridazin-3-ylamino)cyclohexylcarbamate (30 mg, 66.0 μmol, 42%) as a brown oil. MS (EI/CI) m/z: 455.2 [M+H].

後処理

  1. temperatureheating
  2. temperaturethe mixture heated for 16 h
  3. temperatureThe reaction mixture was cooled
  4. customThe phases were separated
  5. washthe organic phase then washed with water and brine
  6. customThe organic phase was collected
  7. concentrationconcentrated in vacuo
  8. customthe residue obtained
  9. customwas purified by chromatography (silica, 30 to 70% ethyl acetate in hexanes)

出典と根拠

ORDレコード
ord-a8d84a34310e4717a1eac7a61825a30c
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08901124B2

反応ノート

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