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Acetic Acid → (2S,3R)-3-(acetyloxy)-5-[4-(6-methoxypyridin-3-yl)phenyl]-2-[2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)ethyl]pentanoic acid

HRID 2410414
ノート
印刷プレビュー

反応式

HRID 2410414 の反応式
N(C(OC(C)C)=O)=NC([O:5][CH:6](C)[CH3:7])=O.[OH:15][C@H:16]([CH2:34][CH2:35][C:36]1[CH:41]=[CH:40][C:39]([C:42]2[CH:43]=[N:44][C:45]([O:48][CH3:49])=[CH:46][CH:47]=2)=[CH:38][CH:37]=1)[C@H:17]([CH2:21][CH2:22][N:23]1[C:28](=[O:29])[C:27]2[CH:30]=[CH:31][CH:32]=[CH:33][C:26]=2[N:25]=[N:24]1)[C:18]([OH:20])=[O:19].C(P(CCCC)CCCC)CCC.C(O)(=O)C>O1CCCC1>[C:6]([O:15][C@H:16]([CH2:34][CH2:35][C:36]1[CH:37]=[CH:38][C:39]([C:42]2[CH:43]=[N:44][C:45]([O:48][CH3:49])=[CH:46][CH:47]=2)=[CH:40][CH:41]=1)[C@H:17]([CH2:21][CH2:22][N:23]1[C:28](=[O:29])[C:27]2[CH:30]=[CH:31][CH:32]=[CH:33][C:26]=2[N:25]=[N:24]1)[C:18]([OH:20])=[O:19])(=[O:5])[CH3:7]
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 4

HCID 176Acetic AcidHCID 13831TributylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 66671252(2S,3R)-3-hydroxy-5-[4-(6-methoxypyridin-3-yl)phenyl]-2-[2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)ethyl]pentanoic acid

生成物 1

HCID 67182848(2S,3R)-3-(acetyloxy)-5-[4-(6-methoxypyridin-3-yl)phenyl]-2-[2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)ethyl]pentanoic acid

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

Diisopropyl azodicarboxylate (63 mg) was added to a solution of the compound obtained from Example 1A above (100 mg), tri-n-butylphosphine (93 mg), and acetic acid (1 mL) in dry tetrahydrofuran (3 mL) at 0° C. The reaction mixture was stirred for 1 hour and concentrated. The residue was taken in ethyl acetate, and washed with water and brine. The organic layer was concentrated to get an oily residue which was purified on preparative thin layer chromatography (2 mm thickness) using 10% methanol in dichloromethane to get the title compound (80 mg).

後処理

  1. concentrationconcentrated
  2. washwashed with water and brine
  3. concentrationThe organic layer was concentrated
  4. customto get an oily residue which
  5. customwas purified on preparative thin layer chromatography (2 mm thickness)

出典と根拠

ORDレコード
ord-77f77b67ee7a44b18f45a936d73c61f4
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08816073B2

反応ノート

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