Sodium Hydroxide → HCID 58213539, compound

HRID 340333Notes

Reaction equation

HRID 340333 reaction equation
[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:23]=[CH:22][C:17]([C:18]([O:20]C)=[O:19])=[CH:16][C:15]=3[CH3:24])=[CH:7][C:6]=2[C:5]2[CH:25]=[CH:26][C:27]([CH3:29])=[CH:28][C:4]=2[N:3]=1.[OH-].[Na+]>CO.C(OCC)(=O)C.O>[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:23]=[CH:22][C:17]([C:18]([OH:20])=[O:19])=[CH:16][C:15]=3[CH3:24])=[CH:7][C:6]=2[C:5]2[CH:25]=[CH:26][C:27]([CH3:29])=[CH:28][C:4]=2[N:3]=1

Participants

6

Reactant 2

HCID 14798Sodium HydroxideHCID 58213776Methyl 4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)-3-methylbenzoate

Product 1

HCID 58213539HCID 58213539, compound

Reagents, catalysts & solvents 3

HCID 887MethanolSolventHCID 962WaterSolventHCID 8857Ethyl AcetateSolvent

Procedure

A solution of methyl 4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)-3-methylbenzoate (from Example 115) (1.0 eq.), and 1N sodium hydroxide (1.5 eq.) in methanol (0.04 M) was stirred at 60° C. for 4 hours. After cooling to ambient temperature, the reaction mixture was diluted with ethyl acetate and water. The two phases were separated. The organic layer was washed twice with water, dried over anhydrous MgSO4, and concentrated en vacuo. The crude material was purified by flash chromatography on a COMBIFLASH® system (ISCO) using 0-50% ethyl acetate in hexane to give 4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)-3-methylbenzoic acid as a white solid.

Workup

  1. customThe two phases were separated
  2. washThe organic layer was washed twice with water
  3. dry with materialdried over anhydrous MgSO4
  4. concentrationconcentrated en vacuo
  5. customThe crude material was purified by flash chromatography on a COMBIFLASH® system (ISCO)

Sources & evidence

ORD record
ord-dc4a4d7b2b3b4c46bb328e22f4d91686
Source dataset
uspto-grants-2014_11
Patent number
US08895577B2

Reaction notes

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