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N-((Benzyloxy)carbonyl)-2-methylalanine → 2-(Carbobenzyloxy-alpha-methylalanyl]aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one

HRID 1900768
ノート
印刷プレビュー

反応式

HRID 1900768 の反応式
[NH2:1][CH2:2][CH:3]1[O:17][C:6]2=[C:7]3[C:12](=[C:13]([CH3:15])[CH:14]=[C:5]2[CH2:4]1)[NH:11][C:10](=[O:16])[CH:9]=[CH:8]3.[C:18]([NH:28][C:29]([CH3:34])([C:31](O)=[O:32])[CH3:30])([O:20][CH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)=[O:19].CCN=C=NCCCN(C)C.Cl>CN(C)C=O.N1C=CC=CC=1>[C:18]([NH:28][C:29]([CH3:34])([C:31]([NH:1][CH2:2][CH:3]1[O:17][C:6]2=[C:7]3[C:12](=[C:13]([CH3:15])[CH:14]=[C:5]2[CH2:4]1)[NH:11][C:10](=[O:16])[CH:9]=[CH:8]3)=[O:32])[CH3:30])([O:20][CH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)=[O:19]
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

6

反応物 3

HCID 294936N-((Benzyloxy)carbonyl)-2-methylalanineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 233695672-Aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro[2,3-f]quinoline-7-one

生成物 1

HCID 867499942-(Carbobenzyloxy-alpha-methylalanyl]aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one収率 43.6%

試薬・触媒・溶媒 2

HCID 1049
Pyridine
溶媒
HCID 6228Dimethylformamide溶媒

反応条件

温度
50 °C

実験手順

2-Aminomethyl-5-methyl-2,3,6,7-tetrahydrofuro-[2,3-f]quinoline-7-one (3.00 g, 13.0 mmol) was dissolved in a solvent mixture of dimethylformamide (200 ml) and pyridine (100 ml). To this solution, N-carbobenzyloxy-α-methylalanine (4.64 g, 19.5 mmol) and WSC-HCl (3.48 g, 19.5 mmol) were added and the mixture was stirred at 50° C. for 48 hours. The reaction mixture was condensed under reduced pressure, and the residue was subjected to extraction using a solvent mixture (chloroform--methanol =4:1) combined with 1N-HCl. The organic phase was washed with saturated aqueous NaCl solution, followed by drying and condensing under reduced pressure. The resultant residue was purified by silica gel column chromatography (chloroform: methanol=25:1). The crude crystals were subjected to a recrystallizing procedure from chloroform--methanol. As a result, 2.55 g of the title compound was obtained as colorless powdery crystals (43.7%).

後処理

  1. customcondensed under reduced pressure
  2. extractionthe residue was subjected to extraction
  3. washThe organic phase was washed with saturated aqueous NaCl solution
  4. customby drying
  5. customcondensing under reduced pressure
  6. customThe resultant residue was purified by silica gel column chromatography (chloroform: methanol=25:1)

出典と根拠

ORDレコード
ord-27a829dd020f4c6da72e7f15e4fc3c48
出典データセット
uspto-grants-1996_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05576324

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート