Dichloromethane → HCID 50992393, compound

HRID 716938Notes

Reaction equation

HRID 716938 reaction equation
[CH3:1][N:2]([CH:6]1[CH2:11][CH2:10][N:9]([C:12]2[C:13]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)=[N:14][C:15]3[C:20]([N:21]=2)=[CH:19][C:18]([C:22]([O:24]C)=[O:23])=[CH:17][CH:16]=3)[CH2:8][CH2:7]1)[C:3](=[O:5])[CH3:4].ClCCl.[OH-].[Na+]>CO.O>[CH3:1][N:2]([CH:6]1[CH2:7][CH2:8][N:9]([C:12]2[C:13]([C:26]3[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=3)=[N:14][C:15]3[C:20]([N:21]=2)=[CH:19][C:18]([C:22]([OH:24])=[O:23])=[CH:17][CH:16]=3)[CH2:10][CH2:11]1)[C:3](=[O:5])[CH3:4]

Participants

6

Procedure

Into a 100-mL round-bottom flask, was placed a solution of methyl 3-(4-(N-methylacetamido)piperidin-1-yl)-2-phenylquinoxaline-6-carboxylate (77 mg, 0.18 mmol, 1.00 equiv) in MeOH (15 mL). Then dichloromethane (5 mL) was added. Finally to the above was added a solution of sodium hydroxide (700 mg, 17.50 mmol, 95.00 equiv) in water (3 mL). The resulting solution was stirred for 3 hr at room temperature. The resulting mixture was concentrated under vacuum, diluted with 10 ml of H2O. The pH value of the aqueous solution was adjusted to 3 with aq. 3N hydrochloric acid. The resulting solids were collected by filtration. This resulted in 52 mg (70%) of 3-(4-(N-methylacetamido)piperidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid as a yellow solid.

Workup

  1. customInto a 100-mL round-bottom flask, was placed
  2. concentrationThe resulting mixture was concentrated under vacuum
  3. additiondiluted with 10 ml of H2O
  4. filtrationThe resulting solids were collected by filtration
  5. customThis resulted in 52 mg (70%) of 3-(4-(N-methylacetamido)piperidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid as a yellow solid

Sources & evidence

ORD record
ord-cd2c8234d06a42eb8015418b23ec1879
Source dataset
uspto-grants-2015_11
Patent number
US09193693B2

Reaction notes

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