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Isopropanol → Isopropyl 4-(acetylamino)-6-(4-chlorophenyl)-7-(2,4-dichlorophenyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate

HRID 13847
ノート
印刷プレビュー

反応式

HRID 13847 の反応式
[C:1]([NH:4][C:5]1[C:14]2[C:9](=[N:10][C:11]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[Cl:29])=[C:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=3)[CH:13]=2)[N:8]([CH3:30])[C:7](=[O:31])[C:6]=1[C:32](OC)=[O:33])(=[O:3])[CH3:2].C([O-])([O-])=O.[Cs+].[Cs+].[CH:42]([OH:45])([CH3:44])[CH3:43]>C1COCC1>[C:1]([NH:4][C:5]1[C:14]2[C:9](=[N:10][C:11]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[Cl:29])=[C:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=3)[CH:13]=2)[N:8]([CH3:30])[C:7](=[O:31])[C:6]=1[C:32]([O:45][CH:42]([CH3:44])[CH3:43])=[O:33])(=[O:3])[CH3:2]
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 3

HCID 3776IsopropanolHCID 10796Cesium carbonateHCID 11307094Methyl 4-(acetylamino)-6(4-chlorophenyl)-7-(2,4-dichlorophenyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate

生成物 1

HCID 11157227Isopropyl 4-(acetylamino)-6-(4-chlorophenyl)-7-(2,4-dichlorophenyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

反応条件

温度
50 °C

実験手順

To the product of EXAMPLE 91 (10 mg) in isopropanol (4 mL) and THF (1 mL) was added Cs2CO3 (10 mg). The reaction stirred for about 14 hours at 50° C. LC/MS indicated incomplete reaction and the solution was then heated to 90° C. in a pressure tube for three hours. The reaction was concentrated and then diluted with EtOAc. After washing with saturated aqueous NaHCO3 the solution was dried (Na2SO4). The concentrated residue was purified by preparative TLC on silica gel eluted with 5% methanol in CH2Cl2 affording the title compound. HPLC/MS: 558.0 (M+1), 560.0 (M+3); Rt=4.93 min.

後処理

  1. customreaction
  2. temperaturethe solution was then heated to 90° C. in a pressure tube for three hours
  3. concentrationThe reaction was concentrated
  4. additiondiluted with EtOAc
  5. washAfter washing with saturated aqueous NaHCO3 the solution
  6. dry with materialwas dried (Na2SO4)
  7. customThe concentrated residue was purified by preparative TLC on silica gel
  8. washeluted with 5% methanol in CH2Cl2 affording the title compound

出典と根拠

ORDレコード
ord-e276df89ef4b4f2ba8932354fa11c89e
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07728141B2

反応ノート

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