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Sodium Carbonate → Ethyl 1-cyclopropyl-8-(difluoromethoxy)-7-[(1R)-2,3-dihydro-1-methyl-2-(triphenylmethyl)-1H-isoindol-5-yl]-1,4-dihydro-4-oxo-3-quinolinecarboxylate

HRID 1018527
ノート
印刷プレビュー

反応式

HRID 1018527 の反応式
[CH3:1][C@@H:2]1[C:10]2[C:5](=[CH:6][C:7](B3OCCNCCO3)=[CH:8][CH:9]=2)[CH2:4][N:3]1[C:19]([C:32]1[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=1)([C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1.Br[C:39]1[C:48]([O:49][CH:50]([F:52])[F:51])=[C:47]2[C:42]([C:43](=[O:61])[C:44]([C:56]([O:58][CH2:59][CH3:60])=[O:57])=[CH:45][N:46]2[CH:53]2[CH2:55][CH2:54]2)=[CH:41][CH:40]=1.C(=O)([O-])[O-].[Na+].[Na+]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O.C(Cl)Cl.C(OCC)(=O)C>[CH:53]1([N:46]2[C:47]3[C:42](=[CH:41][CH:40]=[C:39]([C:7]4[CH:6]=[C:5]5[C:10](=[CH:9][CH:8]=4)[C@@H:2]([CH3:1])[N:3]([C:19]([C:32]4[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=4)([C:26]4[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=4)[C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=4)[CH2:4]5)[C:48]=3[O:49][CH:50]([F:52])[F:51])[C:43](=[O:61])[C:44]([C:56]([O:58][CH2:59][CH3:60])=[O:57])=[CH:45]2)[CH2:55][CH2:54]1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 3

HCID 10340Sodium CarbonateHCID 104131955-(1,3,6,2-Dioxazaborocan-2-yl)-1-methyl-2-(triphenylmethyl)-2,3-dihydro-1H-isoindoleHCID 11732152Ethyl 7-bromo-1-cyclopropyl-8-(difluoromethoxy)-4-oxo-1,4-dihydro-3-quinolinecarboxylate

生成物 1

HCID 15887919Ethyl 1-cyclopropyl-8-(difluoromethoxy)-7-[(1R)-2,3-dihydro-1-methyl-2-(triphenylmethyl)-1H-isoindol-5-yl]-1,4-dihydro-4-oxo-3-quinolinecarboxylate収率 89.5%

試薬・触媒・溶媒 4

HCID 178418476HCID 178418476、化合物触媒HCID 962Water溶媒2 回HCID 6344Dichloromethane溶媒HCID 8857Ethyl Acetate溶媒

実験手順

In a mixed solvent of 2 ml of water and 5 ml of ethyl acetate is suspended 1.34 g of 2-[(1R)-1-methyl-2-trityl-2,3-dihydro-1H-5-isoindolyl]-1,3,6,2-dioxazaborocane and to this suspension are added 1.0 g of ethyl 7-bromo-1-cyclopropyl-8-difluoromethoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate, 0.55 g of sodium carbonate and 0.05 g of bis(triphenylphosphine)palladium(II) chloride, after which the resulting mixture is heated under reflux for 3 hours in a nitrogen atmosphere. The reaction mixture is added to a mixed solvent of 10 ml of methylene chloride and 10 ml of water, and the organic layer is separated. The organic layer obtained is washed with saturated saline and then dried over anhydrous magnesium sulfate, after which the solvent is removed by distillation under reduced pressure. The residue thus obtained is recrystallized from ethanol to obtain 1.55 g of ethyl 1-cyclopropyl-8-difluoromethoxy-7-[(1R)-1-methyl-2-trityl-2,3-dihydro-1H-5-isoindolyl]-4-oxo-1,4-dihydro-3-quinolinecarboxylate.

後処理

  1. temperatureafter which the resulting mixture is heated
  2. temperatureunder reflux for 3 hours in a nitrogen atmosphere
  3. customthe organic layer is separated
  4. customThe organic layer obtained
  5. washis washed with saturated saline
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customafter which the solvent is removed by distillation under reduced pressure
  8. customThe residue thus obtained
  9. customis recrystallized from ethanol

出典と根拠

ORDレコード
ord-6e6e7cb75f3e48538e3cfb4b67486797
出典データセット
uspto-grants-2002_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06482835B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート