Sodium Hydroxide → HCID 18626235, compound

HRID 1387599Notes

Reaction equation

HRID 1387599 reaction equation
[OH-:1].[Na+].C1(CO[C:11](=O)[CH2:12][C:13](=[O:32])[NH:14][C:15]2[CH:20]=[C:19]([C:21](=[O:29])[NH:22][C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[CH:18]=[CH:17][C:16]=2[O:30][CH3:31])C=CC=CC=1>CO>[OH:1][CH:12]([C:11]1[CH:19]=[CH:20][CH:15]=[CH:16][CH:17]=1)[C:13]([NH:14][C:15]1[CH:20]=[C:19]([CH:18]=[CH:17][C:16]=1[O:30][CH3:31])[C:21]([NH:22][C:23]1[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=1)=[O:29])=[O:32]

Participants

4

Procedure

1N Sodium hydroxide (3 mL) was added to (2-methoxy-5-phenylcarbamoyl-phenylcarbamoyl)-acetic acid phenylmethyl ester from Example 252 (1.29 g, 3.1 mmol) in methanol (80 mL) and the reaction mixture boiled until most of the solvent was gone. Additional 1N sodium hydroxide (4 mL) and methanol (80 mL) were added and the mixture again concentrated to near dryness. Ethyl acetate (100 mL), water (100 mL), and 1N HCl (10 mL) were added, the layers separated, the organic layer washed with brine (50 mL), dried over magnesium sulfate, and concentrated to an oil. Trituration in hexanes/ethyl acetate (4:1) afforded the product (0.826 g); m.p. 173-175° C.

Workup

  1. concentrationthe mixture again concentrated
  2. additionEthyl acetate (100 mL), water (100 mL), and 1N HCl (10 mL) were added
  3. customthe layers separated
  4. washthe organic layer washed with brine (50 mL)
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated to an oil

Sources & evidence

ORD record
ord-0b26f0b77b464a2787625a1c88193142
Source dataset
uspto-grants-2001_07
Patent number
US06268387B1

Reaction notes

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