Citric Acid → HCID 67486798, compound

HRID 2238993Notes

Reaction equation

HRID 2238993 reaction equation
[CH2:1]([S:8][CH:9]([CH:42]=O)[CH2:10][NH:11][C:12]([C:14]1[NH:15][C:16]2[C:21]([CH:22]=1)=[CH:20][C:19]([O:23][CH2:24][CH2:25][CH2:26][S:27]([CH3:30])(=[O:29])=[O:28])=[CH:18][C:17]=2[N:31]([CH3:41])[S:32]([C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][N:36]=1)(=[O:34])=[O:33])=[O:13])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH:44]1[CH2:49][CH2:48][O:47][CH2:46][CH2:45]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O.C(=O)([O-])O.[Na+]>O1CCCC1>[CH2:1]([S:8][CH:9]([CH2:42][N:44]1[CH2:49][CH2:48][O:47][CH2:46][CH2:45]1)[CH2:10][NH:11][C:12]([C:14]1[NH:15][C:16]2[C:21]([CH:22]=1)=[CH:20][C:19]([O:23][CH2:24][CH2:25][CH2:26][S:27]([CH3:30])(=[O:29])=[O:28])=[CH:18][C:17]=2[N:31]([CH3:41])[S:32]([C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][N:36]=1)(=[O:34])=[O:33])=[O:13])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

7

Reactant 5

HCID 311Citric AcidHCID 8083MorpholineHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 86619906HCID 86619906, compound

Product 1

HCID 67486798HCID 67486798, compoundYield 89%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of N-[2-(benzylthio)-3-oxopropyl]-7-[methyl(pyridin-2-ylsulfonyl)amino]-5-[3-(methylsulfonyl)propoxy]-1H-indole-2-carboxamide (0.90 g) and morpholine (0.15 mL) in tetrahydrofuran (20 mL) was stirred at room temperature for 30 min, and ice-cooled. Sodium triacetoxyborohydride (0.39 g) was added to this solution, and the mixture was stirred from under ice-cooling to room temperature for 16 hr. The reaction solution was acidified with aqueous citric acid solution, basified with aqueous sodium hydrogencarbonate solution, and extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography (ethyl acetate:hexane=6:4-10:0) to give the title compound (0.89 g, yield: 89%) as a colorless amorphous solid. MS: 716 (MH+).

Workup

  1. temperatureice-cooled
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-00743a34df20441892c8cf638a696cee
Source dataset
uspto-grants-2010_05
Patent number
US07718798B2

Reaction notes

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