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N,N-Diethylaniline → (R)-2-Amino-9-(2-stearoyloxymethyl-4-(N-tert-butoxycarbonyl-L-valyloxy)butyl)-6-chloropurine

HRID 48556
ノート
印刷プレビュー

反応式

HRID 48556 の反応式
[C:1]([O:20][CH2:21][C@H:22]([CH2:35][CH2:36][O:37][C:38](=[O:51])[C@H:39]([CH:48]([CH3:50])[CH3:49])[NH:40][C:41]([O:43][C:44]([CH3:47])([CH3:46])[CH3:45])=[O:42])[CH2:23][N:24]1[CH:32]=[N:31][C:30]2[C:29](=O)[NH:28][C:27]([NH2:34])=[N:26][C:25]1=2)(=[O:19])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH3:18].C(N(CC)C1C=CC=CC=1)C.P(Cl)(Cl)([Cl:65])=O>C(#N)C.[Cl-].C[N+](C)(C)C>[NH2:34][C:27]1[N:26]=[C:25]2[C:30]([N:31]=[CH:32][N:24]2[CH2:23][C@H:22]([CH2:21][O:20][C:1](=[O:19])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH3:18])[CH2:35][CH2:36][O:37][C:38](=[O:51])[C@H:39]([CH:48]([CH3:50])[CH3:49])[NH:40][C:41]([O:43][C:44]([CH3:47])([CH3:46])[CH3:45])=[O:42])=[C:29]([Cl:65])[N:28]=1
参加物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 7061N,N-DiethylanilineHCID 24813Phosphorus oxychlorideHCID 135796494(R)-9-(2-stearoyloxymethyl-4-(N-tert-butoxycarbonyl-L-valyloxy)butyl)guanine

生成物 1

HCID 53751265(R)-2-Amino-9-(2-stearoyloxymethyl-4-(N-tert-butoxycarbonyl-L-valyloxy)butyl)-6-chloropurine

試薬・触媒・溶媒 2

HCID 6379Tetramethylammonium chloride
触媒
HCID 6342Acetonitrile溶媒

実験手順

To a solution of (R)-9-(2-stearoyloxymethyl-4-(N-tert-butoxycarbonyl-L-valyloxy)butyl)guanine from step 2 of Example 1 (646 mg, 0.9 mmole) in acetonitrile were added tetramethylammonium chloride (427 mg, 2.7 mmole), N,N-diethylaniline (0.716 ml, 4.5 mmole) and phosphorous oxychloride (0.417 ml, 4.5 mmole). The reaction was kept under reflux and the progression monitored by TLC. After 3 hours the reaction mixture was evaporated in vacuo and the residue was dissolved in dichloromethane, then poured into cold sodium hydrogen carbonate aqueous solution. The organic phase was evaporated and purified by silica gel column chromatography. Yield: 251 mg.

後処理

  1. temperatureunder reflux
  2. customAfter 3 hours the reaction mixture was evaporated in vacuo
  3. dissolutionthe residue was dissolved in dichloromethane
  4. additionpoured into cold sodium hydrogen carbonate aqueous solution
  5. customThe organic phase was evaporated
  6. custompurified by silica gel column chromatography

出典と根拠

ORDレコード
ord-f89c35cd0b20477090c85eea32b0ce0d
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06703394B2

反応ノート

読み込み中…

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