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Ethyl Acetate → 4-[2-(tert-Butoxycarbonylamino)ethoxy]-3-methoxy-N-[3-[(E)-2-(3-methylphenyl)vinyl]phenyl]phenylacetamide

HRID 7082
ノート
印刷プレビュー

反応式

HRID 7082 の反応式
[C:1]([O:5][C:6]([NH:8][CH2:9][CH2:10][O:11][C:12]1[CH:17]=[CH:16][C:15]([CH2:18][C:19]([NH:21][C:22]2[CH:27]=[CH:26][CH:25]=[C:24](I)[CH:23]=2)=[O:20])=[CH:14][C:13]=1[O:29][CH3:30])=[O:7])([CH3:4])([CH3:3])[CH3:2].C[CH:32]=[CH:33][C:34]1[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=1.[CH3:40]C1C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.C(OCC)(=O)C>CN(C)C=O.[Cl-].C([N+](CCCC)(CCCC)CCCC)CCC.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[C:1]([O:5][C:6]([NH:8][CH2:9][CH2:10][O:11][C:12]1[CH:17]=[CH:16][C:15]([CH2:18][C:19]([NH:21][C:22]2[CH:27]=[CH:26][CH:25]=[C:24](/[CH:32]=[CH:33]/[C:34]3[CH:39]=[CH:38][CH:37]=[C:36]([CH3:40])[CH:35]=3)[CH:23]=2)=[O:20])=[CH:14][C:13]=1[O:29][CH3:30])=[O:7])([CH3:4])([CH3:3])[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

8

反応物 4

HCID 8857Ethyl AcetateHCID 12500beta-MethylstyreneHCID 80271Tri-o-tolylphosphineHCID 220196094-[2-(tert-butoxycarbonylamino)ethoxy]-N-(3-iodophenyl)-3-methoxyphenylacetamide

生成物 1

HCID 220195834-[2-(tert-Butoxycarbonylamino)ethoxy]-3-methoxy-N-[3-[(E)-2-(3-methylphenyl)vinyl]phenyl]phenylacetamide収率 152.4%

試薬・触媒・溶媒

3
HCID 70681Tetrabutylammonium Chloride触媒HCID 167845palladium(II) acetate触媒HCID 6228Dimethylformamide溶媒

反応条件

温度
97 °C

実験手順

Intermediate 4 (1 g) is dissolved in dimethylformamide (10 ml), and thereto are added 3-methylvinylbenzene (826 mg), palladium (II) acetate (105 mg), tris(2-methylphenyl)phosphine (143 mg), tetra-n-butyl ammonium chloride (130 mg), and the mixture is heated with stirring at 97° C. for 18 hours under argon atmosphere. To the reaction solution is added ethyl acetate, and the mixture is washed with water and 2 M hydrochloric acid. The organic layer is dried over sodium sulfate, and the solvent is evaporated under reduced pressure. The residue is purified by silica gel column chromatography (eluent: gradient from 0% to 100% hexane/ethyl acetate) to give 4-[2-(tert-butoxycarbonylamino)-ethoxy]-3-methoxy-N-[3-[(E)-2-(3-methylphenyl)vinyl]phenyl]phenylacetamide (370 mg). This product is treated with 10% hydrogen chloride-methanol to give the desired compound (120 mg).

後処理

  1. temperaturethe mixture is heated
  2. washthe mixture is washed with water and 2 M hydrochloric acid
  3. dry with materialThe organic layer is dried over sodium sulfate
  4. customthe solvent is evaporated under reduced pressure
  5. customThe residue is purified by silica gel column chromatography (eluent: gradient from 0% to 100% hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-75cc4b5bd19f4a4696cb5248dd41f0c1
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07084176B2

反応ノート

読み込み中…

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