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Sodium Methoxide → 1-Benzyl-5-hydroxy-2-oxo-3-phenyl-8-pyridin-3-yl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid [2-(methanesulfonyl-methyl-amino)-ethyl]amide

HRID 919859
Notes
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Reaction equation

HRID 919859 reaction equation
CO[C:3]([C:5]1[C:6]([OH:35])=[C:7]2[C:12](=[C:13]([C:15]3[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=3)[N:14]=1)[N:11]([CH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[C:10](=[O:28])[C:9]([C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1)=[CH:8]2)=[O:4].Cl.[NH2:37][CH2:38][CH2:39][N:40]([CH3:45])[S:41]([CH3:44])(=[O:43])=[O:42].C[O-].[Na+]>CCO>[CH3:44][S:41]([N:40]([CH3:45])[CH2:39][CH2:38][NH:37][C:3]([C:5]1[C:6]([OH:35])=[C:7]2[C:12](=[C:13]([C:15]3[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=3)[N:14]=1)[N:11]([CH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[C:10](=[O:28])[C:9]([C:29]1[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=1)=[CH:8]2)=[O:4])(=[O:43])=[O:42]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10942334Sodium MethoxideHCID 54759137N-(2-aminoethyl)-N-methylmethanesulfonamide hydrochlorideHCID 682973711-Benzyl-5-hydroxy-2-oxo-3-phenyl-8-pyridin-3-yl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester

Product 1

HCID 601516821-Benzyl-5-hydroxy-2-oxo-3-phenyl-8-pyridin-3-yl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid [2-(methanesulfonyl-methyl-amino)-ethyl]amideYield 53.7%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
140 °C

Procedure

A mixture of 1-benzyl-5-hydroxy-2-oxo-3-phenyl-8-pyridin-3-yl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester (38.5 mg, 0.083 mmol), N-(2-amino-ethyl)-N-methyl-methanesulfonamide HCl salt (78 mg, 0.42 mmol), and NaOMe (22 mg, 0.42 mmol) in EtOH (3 mL) was heated at 140° C. for 6 h in a microwave reactor. Solvent was evaporated in vacuo, and the residue was partitioned between EtOAc and water. 1 M HCl was added until pH was about 3. The aqueous layer was extracted with additional EtOAc, and the combined organic layer was dried over MgSO4 and concentrated. The residue was purified by silica gel chromatography (0-10% MeOH/CH2Cl2) to give 26 mg of the title compound. MS: (+) m/z 584.26 (M+1).

Workup

  1. customSolvent was evaporated in vacuo
  2. customthe residue was partitioned between EtOAc and water
  3. addition1 M HCl was added until pH was about 3
  4. extractionThe aqueous layer was extracted with additional EtOAc
  5. dry with materialthe combined organic layer was dried over MgSO4
  6. concentrationconcentrated
  7. customThe residue was purified by silica gel chromatography (0-10% MeOH/CH2Cl2)

Sources & evidence

ORD record
ord-37480f33398c4cc5a5e7176b2fecca1d
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09271970B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes