Water → 3-Benzyl-5-(3,4,5-trimethoxy-phenyl)-1,3-dihydro-pyrrolo[2,3-b]pyridin-2-one

HRID 333171Notes

Reaction equation

HRID 333171 reaction equation
[CH:1](=[C:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[CH:22]=[C:21]([O:23][CH3:24])[C:20]([O:25][CH3:26])=[C:19]([O:27][CH3:28])[CH:18]=3)[CH:15]=2)[NH:10][C:9]1=[O:29])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C1COCC1.O.[BH4-].[Na+]>CO>[CH2:1]([CH:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[CH:18]=[C:19]([O:27][CH3:28])[C:20]([O:25][CH3:26])=[C:21]([O:23][CH3:24])[CH:22]=3)[CH:15]=2)[NH:10][C:9]1=[O:29])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

6

Reactant 4

HCID 962WaterHCID 8028TetrahydrofuranHCID 4311764Sodium borohydrideHCID 66778951HCID 66778951, compound

Product 1

HCID 462358883-Benzyl-5-(3,4,5-trimethoxy-phenyl)-1,3-dihydro-pyrrolo[2,3-b]pyridin-2-oneYield 13%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

To a solution of 3-benzylidene-5-(3,4,5-trimethoxy-phenyl)-1,3-dihydro-pyrrolo[2,3-b]pyridin-2-one (41 mg, 0.106 mmol) in a mixture of MeOH (2 ml), THF (1 ml) and water (0.3 ml) was added sodium borohydride (40 mg, 1.06 mmol). The reaction was stirred at room temperature for 10 min after which it was quenched by the addition of 1 N HCl and partitioned between water and DCM. The residue was purified by preparatory HPLC to yield the title compound (5.2 mg, 13%).

Workup

  1. customwas quenched by the addition of 1 N HCl
  2. custompartitioned between water and DCM
  3. customThe residue was purified by preparatory HPLC

Sources & evidence

ORD record
ord-d39eef97630b4b809f6085938ff04c1f
Source dataset
uspto-grants-2014_11
Patent number
US08877772B2

Reaction notes

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