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Methanimidamide, hydrochloride (1:1) → 6,7-Dihydro-7-(4-nitrobenzoyl)-5H-pyrimido[5,4-d][1]benzazepine

HRID 362352
ノート
印刷プレビュー

反応式

HRID 362352 の反応式
Cl.[CH:2]([NH2:4])=[NH:3].C[O-].[Na+].CN([CH:11]=[C:12]1[C:18](=O)[C:17]2[CH:20]=[CH:21][CH:22]=[CH:23][C:16]=2[N:15]([C:24](=[O:34])[C:25]2[CH:30]=[CH:29][C:28]([N+:31]([O-:33])=[O:32])=[CH:27][CH:26]=2)[CH2:14][CH2:13]1)C>CO>[N+:31]([C:28]1[CH:29]=[CH:30][C:25]([C:24]([N:15]2[C:16]3[CH:23]=[CH:22][CH:21]=[CH:20][C:17]=3[C:18]3[N:3]=[CH:2][N:4]=[CH:11][C:12]=3[CH2:13][CH2:14]2)=[O:34])=[CH:26][CH:27]=1)([O-:33])=[O:32]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 10313058Methanimidamide, hydrochloride (1:1)HCID 10942334Sodium MethoxideHCID 536535644-[(dimethylamino)methylene]-1,2,3,4-tetrahydro-1-(4-nitrobenzoyl)-5H-1-benzazepin-5-one

生成物 1

HCID 545281396,7-Dihydro-7-(4-nitrobenzoyl)-5H-pyrimido[5,4-d][1]benzazepine収率 107.7%

試薬・触媒・溶媒 1

HCID 887Methanol溶媒2 回

実験手順

To a solution of 0.152 g (1.89 mmol) of formamidine hydrochloride in 10 ml of methanol under argon is added 0.102 g (1.89 mmol) of sodium methoxide. After stirring 5 min., a solution of 0.46 g (1.26 mmol) of 4-[(dimethylamino)methylene]-1,2,3,4-tetrahydro-1-(4-nitrobenzoyl)-5H-1-benzazepine-5-one in 5 ml of methanol is added and the mixture stirred 18 hours. The solvent is removed, dichloromethane added, and the mixture filtered. The solid is washed with dichloromethane. The combined filtrate is concentrated to dryness to give 0.47 g of tan foam. The preceding solid is purified by chromatography on silica gel. The compound is dissolved in ethyl acetate-dichloromethane and applied to the column. The column is then eluted with ethyl acetate to give 0.25 g of product as pale yellow crystals.

後処理

  1. stirringthe mixture stirred 18 hours
  2. customThe solvent is removed
  3. additiondichloromethane added
  4. filtrationthe mixture filtered
  5. washThe solid is washed with dichloromethane
  6. concentrationThe combined filtrate is concentrated to dryness

出典と根拠

ORDレコード
ord-1d1d0e69e1944e578258d2915d5e3011
出典データセット
uspto-grants-1999_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05869483

反応ノート

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