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Glutaric anhydride → (E)-2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenyl-3-butenyl]-4-methyl-N-(2,6-dioxopiperidino)valeramide

HRID 1978066
ノート
印刷プレビュー

反応式

HRID 1978066 の反応式
[C:1]([O:5][C:6]([C@H:8]([C@@H:18]([CH2:23][CH:24]([CH3:26])[CH3:25])[C:19]([NH:21][NH2:22])=[O:20])[CH2:9]/[CH:10]=[CH:11]/[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:27]1(=O)[O:33][C:31](=[O:32])[CH2:30][CH2:29][CH2:28]1.C(N(CC)CC)C>C1(C)C=CC=CC=1>[C:1]([O:5][C:6]([C@H:8]([C@@H:18]([CH2:23][CH:24]([CH3:26])[CH3:25])[C:19]([NH:21][N:22]1[C:31](=[O:32])[CH2:30][CH2:29][CH2:28][C:27]1=[O:33])=[O:20])[CH2:9]/[CH:10]=[CH:11]/[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 7940Glutaric anhydrideHCID 8471TriethylamineHCID 69709501(E)-2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenyl-3-butenyl]-4-methylvalerohydrazide

生成物 1

HCID 69944351(E)-2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenyl-3-butenyl]-4-methyl-N-(2,6-dioxopiperidino)valeramide収率 49.2%

試薬・触媒・溶媒 1

HCID 1140Toluene
溶媒

実験手順

A solution of 1.0 g of (E)-2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenyl-3-butenyl]-4-methylvalerohydrazide, 0.35 g of glutaric anhydride and 0.85 ml of triethylamine in 30 ml of dry toluene was heated at reflux under a nitrogen atmosphere for 7 hours. The mixture was cooled to room temperature and washed with 2M aqueous hydrochloric acid, 5% aqueous sodium hydrogen carbonate and brine. The organic phase was dried over anhydrous magnesium sulphate and the solvent was then evaporated. The residue was triturated with diethyl ether to give 0.623 g of (E)-2(R)-[1(S)-(tert-butoxycarbonyl)-4-phenyl-3-butenyl]-4-methyl-N-(2,6-dioxopiperidino)valeramide in the form of a white solid.

後処理

  1. temperatureat reflux under a nitrogen atmosphere for 7 hours
  2. washwashed with 2M aqueous hydrochloric acid, 5% aqueous sodium hydrogen carbonate and brine
  3. dry with materialThe organic phase was dried over anhydrous magnesium sulphate
  4. customthe solvent was then evaporated
  5. customThe residue was triturated with diethyl ether

出典と根拠

ORDレコード
ord-cca683b2bcd8406384520b969389b588
出典データセット
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06235787B1

反応ノート

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