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Ammonia → 3-[4-(1-methyl piperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulen-2-yl]-acrylic acid tert-butyl ester

HRID 1773872
ノート
印刷プレビュー

反応式

HRID 1773872 の反応式
I[C:2]1[N:11]=[C:10]2[N:4]([CH2:5][CH2:6][C:7]3[CH:23]=[CH:22][CH:21]=[CH:20][C:8]=3[CH:9]2[O:12][CH:13]2[CH2:18][CH2:17][N:16]([CH3:19])[CH2:15][CH2:14]2)[CH:3]=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[C:43]([O:47][C:48](=[O:51])[CH:49]=[CH2:50])([CH3:46])([CH3:45])[CH3:44].CCN(CC)CC.N>CN(C=O)C.CC([O-])=O.CC([O-])=O.[Pd+2].O>[C:43]([O:47][C:48](=[O:51])[CH:49]=[CH:50][C:2]1[N:11]=[C:10]2[N:4]([CH2:5][CH2:6][C:7]3[CH:23]=[CH:22][CH:21]=[CH:20][C:8]=3[CH:9]2[O:12][CH:13]2[CH2:14][CH2:15][N:16]([CH3:19])[CH2:17][CH2:18]2)[CH:3]=1)([CH3:46])([CH3:45])[CH3:44]
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

9

反応物 5

HCID 222AmmoniaHCID 8471TriethylamineHCID 11776TriphenylphosphineHCID 15458tert-Butyl acrylateHCID 726957782-iodo-4-(1-methyl piperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene

生成物 1

HCID 867039593-[4-(1-methyl piperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulen-2-yl]-acrylic acid tert-butyl ester

試薬・触媒・溶媒 3

HCID 167845palladium(II) acetate触媒HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

反応条件

温度
100 °C

実験手順

To a solution of compound 2-iodo-4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene (example 2A) (100 mg, 0.24 mmoles) in DMF (2.5 mL) in a screw-capped vial under argon are added Pd(OAc)2 (5.4 mg, 24 μmole), PPh3 (16 mg, 60 μmole), tert-butylacrylate (175 μL, 0.96 mmole) and NEt3 (140 μL, 0.88 mmole). The reaction mixture is heated at 100° C. overnight. Water is added to the reaction mixture and pH adjusted to 9-10 by adding concentrated ammonia solution. The aqueous phase is extracted three times with CH2Cl2. The organic phase is dried over magnesium sulphate, filtered and the solvent is removed under reduced pressure. The residue is pre-purified by silica gel chromatography using (CH2Cl2:MeOH:NH4OH) as eluent with a gradient from (98:2:0.1) to (96.5:3.5:0.35) and the residue is submitted to a preparative thin-layer chromatography eluting with (CH2Cl2:MeOH:NH4OH) (9:1:1) to afford 3-[4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulen-2-yl]-acrylic acid tert-butyl ester.

後処理

  1. extractionThe aqueous phase is extracted three times with CH2Cl2
  2. dry with materialThe organic phase is dried over magnesium sulphate
  3. filtrationfiltered
  4. customthe solvent is removed under reduced pressure
  5. customThe residue is pre-purified by silica gel chromatography
  6. washeluting with (CH2Cl2:MeOH:NH4OH) (9:1:1)

出典と根拠

ORDレコード
ord-274981c49cf744f395d661be7c8eddcc
出典データセット
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09255101B2

反応ノート

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