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Isopropanol → 3-[(2,2-Dimethyl-7-methoxy-2H-chromen-5-yl)amino]-4-nitro-2-naphthalene-carboxylic acid

HRID 1827905
ノート
印刷プレビュー

反応式

HRID 1827905 の反応式
[NH2:1][C:2]1[CH:11]=[C:10]([O:12][CH3:13])[CH:9]=[C:8]2[C:3]=1[CH:4]=[CH:5][C:6]([CH3:15])([CH3:14])[O:7]2.Cl[C:17]1[C:18]([C:30]([OH:32])=[O:31])=[CH:19][C:20]2[C:25]([C:26]=1[N+:27]([O-:29])=[O:28])=[CH:24][CH:23]=[CH:22][CH:21]=2.C([O-])(=O)C.[K+].CC(O)C>CC([O-])=O.CC([O-])=O.[Cu+2].O.C(N(CC)CC)C>[CH3:14][C:6]1([CH3:15])[CH:5]=[CH:4][C:3]2[C:8](=[CH:9][C:10]([O:12][CH3:13])=[CH:11][C:2]=2[NH:1][C:17]2[C:18]([C:30]([OH:32])=[O:31])=[CH:19][C:20]3[C:25]([C:26]=2[N+:27]([O-:29])=[O:28])=[CH:24][CH:23]=[CH:22][CH:21]=3)[O:7]1
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 3776IsopropanolHCID 517044Potassium AcetateHCID 109981537-methoxy-2,2-dimethyl-2H-1-benzopyran-5-ylamineHCID 220645163-Chloro-4-nitro-2-naphthalenecarboxylic acid

生成物 1

HCID 220645353-[(2,2-Dimethyl-7-methoxy-2H-chromen-5-yl)amino]-4-nitro-2-naphthalene-carboxylic acid

試薬・触媒・溶媒 2

HCID 165397
Cupric acetate monohydrate
触媒
HCID 8471Triethylamine溶媒

実験手順

To 3.3 g of 5-amino-7-methoxy-2,2-dimethylchromene there are added 3 g of the compound obtained in Step 3 above, 3.4 g of potassium acetate, 375 mg of Cu(OAc)2.H2O and 120 ml of 2-propanol containing 3.8 ml of triethylamine. The solution is refluxed for 5 days and is then evaporated under reduced pressure. The residue is taken up in a 1/1 mixture of dichloromethane and 1N aqueous HCl solution. After extraction of the aqueous phase, the combined organic phases are treated in customary manner. Chromatography over silica gel (dichloromethane/methanol: gradient from 0.1 to 1%) allows the expected product to be isolated.

後処理

  1. temperatureThe solution is refluxed for 5 days
  2. customis then evaporated under reduced pressure
  3. additionThe residue is taken up in a 1/1 mixture of dichloromethane and 1N aqueous HCl solution
  4. extractionAfter extraction of the aqueous phase
  5. additionthe combined organic phases are treated in customary manner
  6. customto be isolated

出典と根拠

ORDレコード
ord-9d7284813ea94002b68a168684045396
出典データセット
uspto-grants-2006_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07056929B2

反応ノート

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