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Diisopropylamine → 4-cyano-N-[2-hydroxy-4-(4-methyl-6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenyl]-benzamide

HRID 1619980
ノート
印刷プレビュー

反応式

HRID 1619980 の反応式
[C:1]([C:3]1[CH:11]=[CH:10][C:6]([C:7]([OH:9])=O)=[CH:5][CH:4]=1)#[N:2].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.C(NC(C)C)(C)C.[NH2:41][C:42]1[CH:47]=[CH:46][C:45]([C:48]2[CH:49]([CH3:55])[CH2:50][C:51](=[O:54])[NH:52][N:53]=2)=[CH:44][C:43]=1[OH:56]>O.CN(C=O)C>[C:1]([C:3]1[CH:4]=[CH:5][C:6]([C:7]([NH:41][C:42]2[CH:47]=[CH:46][C:45]([C:48]3[CH:49]([CH3:55])[CH2:50][C:51](=[O:54])[NH:52][N:53]=3)=[CH:44][C:43]=2[OH:56])=[O:9])=[CH:10][CH:11]=1)#[N:2]
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 7912DiisopropylamineHCID 120874-Cyanobenzoic acidHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 179934936-(4-amino-3-hydroxy-phenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one

生成物 1

HCID 674626214-cyano-N-[2-hydroxy-4-(4-methyl-6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenyl]-benzamide

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

403 mg (2.74 mmol) 4-cyano-benzoic acid and 967 mg (3.01 mmol) TBTU are added to 40 ml DMF and the mixture is stirred for 30 min at RT, then 791 μl (5.47 mmol) diisopropylamine and 600 mg (2.74 mmol) 6-(4-amino-3-hydroxy-phenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one are added and the mixture is stirred overnight. The reaction mixture is mixed with water and extracted with DCM. The org. phase is again washed with water, dried on sodium sulphate and concentrated by rotary evaporation i. V. The residue is extracted with methanol, filtered off, washed with methanol and then dried in the vacuum dryer at 50° C.

後処理

  1. stirringthe mixture is stirred overnight
  2. extractionextracted with DCM
  3. washphase is again washed with water
  4. customdried on sodium sulphate
  5. concentrationconcentrated by rotary evaporation i
  6. extractionThe residue is extracted with methanol
  7. filtrationfiltered off
  8. washwashed with methanol
  9. customdried in the vacuum dryer at 50° C.

出典と根拠

ORDレコード
ord-162c4102d79f466d9ffb035af7aaa214
出典データセット
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08772323B2

反応ノート

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