Methanol → 2-Benzyloxycarbonylamino-3-(6-benzyloxy-pyridin-3-yl)-propionic acid methyl ester

HRID 1177747ノート

反応式

HRID 1177747 の反応式
[CH3:1][O:2][C:3](=[O:31])[C:4]([NH:20][C:21]([O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)=[O:22])=[CH:5][C:6]1[CH:7]=[N:8][C:9]([O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[CH:10][CH:11]=1.CO>C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cl-].[Rh].C1(C)C=CC=CC=1>[CH3:1][O:2][C:3](=[O:31])[CH:4]([NH:20][C:21]([O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)=[O:22])[CH2:5][C:6]1[CH:7]=[N:8][C:9]([O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[CH:10][CH:11]=1

参加物

5

反応物 2

HCID 887MethanolHCID 687072212-Benzyloxycarbonylamino-3-(6-benzyloxy-pyridin-3-yl)-acrylic acid methyl ester

生成物 1

HCID 588644962-Benzyloxycarbonylamino-3-(6-benzyloxy-pyridin-3-yl)-propionic acid methyl ester

試薬・触媒・溶媒 2

HCID 84599Chlorotris(triphenylphosphine)rhodium(I)触媒HCID 1140Toluene溶媒

反応条件

温度
35 °C

実験手順

A flask was charged with 2-benzyloxycarbonylamino-3-(6-benzyloxy-pyridin-3-yl)-acrylic acid methyl ester (0.50 g, 1.2 mmol), Wilkinson's catalyst (200 mg, 0.2 equiv), methanol (5 mL), and toluene (3 mL). The flask was flushed with nitrogen, then hydrogen, heated to 35° C., and allowed to stir under an atmosphere of hydrogen for 4 days. The reaction was flushed with nitrogen, diluted with methanol, filtered, and concentrated to afford the crude product which was purified by column chromatography to give 145 mg (29%).

後処理

  1. customThe flask was flushed with nitrogen
  2. customThe reaction was flushed with nitrogen
  3. additiondiluted with methanol
  4. filtrationfiltered
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-bb1b4e80d0934058b11c1b4bfa42e36d
出典データセット
uspto-grants-2010_11
特許番号
US07842808B2

反応ノート

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