Succinic anhydride → HCID 131728232, compound

HRID 2403033Notes

Reaction equation

HRID 2403033 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([CH:9]([C:48]2[CH:53]=[CH:52][C:51]([O:54][CH3:55])=[CH:50][CH:49]=2)[O:10][CH:11]([C:42]2[CH:47]=[CH:46][CH:45]=[CH:44][CH:43]=2)[CH:12]2[CH2:16][CH:15]([OH:17])[CH2:14][N:13]2[C:18](=[O:41])[CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][NH:24][C:25]([C:27]2[C:36](=[O:37])[C:35]3[C:30](=[N:31][C:32]([CH3:38])=[CH:33][CH:34]=3)[N:29]([CH2:39][CH3:40])[CH:28]=2)=[O:26])=[CH:5][CH:4]=1.[C:56]1(=[O:62])[O:61][C:59](=[O:60])[CH2:58][CH2:57]1.C(N(CC)CC)C>CN(C1C=CN=CC=1)C.ClCCl>[CH3:55][O:54][C:51]1[CH:50]=[CH:49][C:48]([CH:9]([C:6]2[CH:7]=[CH:8][C:3]([O:2][CH3:1])=[CH:4][CH:5]=2)[O:10][CH:11]([C:42]2[CH:43]=[CH:44][CH:45]=[CH:46][CH:47]=2)[CH:12]2[N:13]([C:18](=[O:41])[CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][NH:24][C:25]([C:27]3[C:36](=[O:37])[C:35]4[C:30](=[N:31][C:32]([CH3:38])=[CH:33][CH:34]=4)[N:29]([CH2:39][CH3:40])[CH:28]=3)=[O:26])[CH2:14][CH:15]([O:17][C:56](=[O:62])[CH2:57][CH2:58][C:59]([OH:61])=[O:60])[CH2:16]2)=[CH:53][CH:52]=1

Participants

6

Procedure

Referring to scheme 27, Compound 99 (1.48 g, 2 mmol) is mixed with succinic anhydride (0.200 g, 2 mmol) and DMAP (0.244 g, 13 mmol) and dried in a vacuum at 40° C. overnight. The mixture is dissolved in anhydrous dichloromethane (5 mL), triethylamine (0.606 g, 0.96 mL, 6 mmol) is added and the solution stirred at room temperature under argon atmosphere for 16 h. It is then diluted with dichloromethane (100 mL) and washed with ice cold aqueous citric acid (5% wt., 100 mL) and water (2×100 mL). The organic phase is dried over anhydrous sodium sulfate and concentrated to dryness. The crude product is purified by column chromatography to afford compound 101.

Workup

  1. customdried in a vacuum at 40° C. overnight
  2. dissolutionThe mixture is dissolved in anhydrous dichloromethane (5 mL)
  3. washwashed with ice cold aqueous citric acid (5% wt., 100 mL) and water (2×100 mL)
  4. dry with materialThe organic phase is dried over anhydrous sodium sulfate
  5. concentrationconcentrated to dryness
  6. customThe crude product is purified by column chromatography

Sources & evidence

ORD record
ord-31c5e786cb954075b4d58b2526fc5495
Source dataset
uspto-grants-2014_08
Patent number
US08796436B2

Reaction notes

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