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4-nitrophenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-alpha-D-glucopyranosyl)-beta-D-glucopyranoside → 4-Aminophenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-alpha-D-glucopyranosyl)-beta-D-glucopyranoside

HRID 435510
ノート
印刷プレビュー

反応式

HRID 435510 の反応式
[C:1]([O:4][C@@H:5]1[C@@H:20]([O:21][C:22](=[O:24])[CH3:23])[C@H:19]([O:25][C@H:26]2[O:43][C@H:42]([CH2:44][O:45][C:46](=[O:48])[CH3:47])[C@@H:37]([O:38][C:39](=[O:41])[CH3:40])[C@H:32]([O:33][C:34](=[O:36])[CH3:35])[C@H:27]2[O:28][C:29](=[O:31])[CH3:30])[C@@H:18]([CH2:49][O:50][C:51](=[O:53])[CH3:52])[O:17][C@H:6]1[O:7][C:8]1[CH:13]=[CH:12][C:11]([N+:14]([O-])=O)=[CH:10][CH:9]=1)(=[O:3])[CH3:2]>C(O)(=O)C.[Pd]>[C:1]([O:4][C@@H:5]1[C@@H:20]([O:21][C:22](=[O:24])[CH3:23])[C@H:19]([O:25][C@H:26]2[O:43][C@H:42]([CH2:44][O:45][C:46](=[O:48])[CH3:47])[C@@H:37]([O:38][C:39](=[O:41])[CH3:40])[C@H:32]([O:33][C:34](=[O:36])[CH3:35])[C@H:27]2[O:28][C:29](=[O:31])[CH3:30])[C@@H:18]([CH2:49][O:50][C:51](=[O:53])[CH3:52])[O:17][C@H:6]1[O:7][C:8]1[CH:13]=[CH:12][C:11]([NH2:14])=[CH:10][CH:9]=1)(=[O: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

4

反応物 1

HCID 132065704-nitrophenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-alpha-D-glucopyranosyl)-beta-D-glucopyranoside

生成物 1

HCID 132065724-Aminophenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-alpha-D-glucopyranosyl)-beta-D-glucopyranoside

試薬・触媒・溶媒 2

HCID 23938Palladium触媒HCID 176Acetic Acid溶媒

実験手順

To 27.4 g of 4-nitrophenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-β-D-glucopyranoside suspended in 150 ml of acetic acid was added 2.7 g of 10% palladium-on-charcoal catalyst in a Parr hydrogenation bottle, and this was hydrogenated on a Parr hydrogenator for 17 hours. The catalyst was filtered from the solution through diatomaceous earth and washed thoroughly with methanol. The solvents were evaporated in vacuo. The residue was dissolved in one liter of toluene and again evaporated. The residue was dissolved in methylene chloride and passed through a pad of magnesium silicate and the solvent was evaporated to yield the title compound as a light yellow oil. A 3.5 g portion of this was crystallized from methanol to yield 2.6 g of an off-white crystal, m.p. 173°-175° C.

後処理

  1. filtrationThe catalyst was filtered from the solution through diatomaceous earth
  2. washwashed thoroughly with methanol
  3. customThe solvents were evaporated in vacuo
  4. dissolutionThe residue was dissolved in one liter of toluene
  5. customagain evaporated
  6. dissolutionThe residue was dissolved in methylene chloride
  7. customthe solvent was evaporated

出典と根拠

ORDレコード
ord-6af40fdb75df4367a180184cc1cbd93a
出典データセット
uspto-grants-1983_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04401661

反応ノート

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