Water → tert-butyl (3R,5S)-3-(morpholin-4-ylcarbonyl)-5-{[(2-nitrophenyl)sulfonyl]amino}piperidine-1-carboxylate

HRID 2169095Notes

Reaction equation

HRID 2169095 reaction equation
[NH2:1][C@H:2]1[CH2:7][C@@H:6]([C:8]([N:10]2[CH2:15][CH2:14][O:13][CH2:12][CH2:11]2)=[O:9])[CH2:5][N:4]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:3]1.C(N(CC)CC)C.[N+:30]([C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=1[S:39](Cl)(=[O:41])=[O:40])([O-:32])=[O:31].O>C1COCC1>[N:10]1([C:8]([C@@H:6]2[CH2:7][C@H:2]([NH:1][S:39]([C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][C:33]=3[N+:30]([O-:32])=[O:31])(=[O:40])=[O:41])[CH2:3][N:4]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:5]2)=[O:9])[CH2:15][CH2:14][O:13][CH2:12][CH2:11]1

Participants

6

Reactant 4

HCID 962WaterHCID 8471TriethylamineHCID 155402-Nitrobenzenesulfonyl chlorideHCID 58355406tert-butyl (3S,5R)-3-amino-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate

Product 1

HCID 58355237tert-butyl (3R,5S)-3-(morpholin-4-ylcarbonyl)-5-{[(2-nitrophenyl)sulfonyl]amino}piperidine-1-carboxylateYield 94%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

tert-Butyl (3S,5R)-3-amino-5-(morpholin-4-ylcarbonyl)piperidine-1-carboxylate (3.13 g) and triethylamine (2.1 ml) were dissolved in THF (30 ml), 2-nitrobenzenesulfonyl chloride (2.44 g) was added at room temperature, and the mixture was stirred at room temperature for 15 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure to give the object product (4.68 g).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure

Sources & evidence

ORD record
ord-4df2d2d3e6de40f59664805f419171ad
Source dataset
uspto-grants-2015_06
Patent number
US09045436B2

Reaction notes

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