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Triethylamine → Methyl 2-(4-benzyl-2-((methylsulfonyloxy)methyl)piperazin-1-yl)-5-nitrobenzoate

HRID 1035289
Notes
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Reaction equation

HRID 1035289 reaction equation
[CH2:1]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][C:15]=2[C:16]([O:18][CH3:19])=[O:17])[CH:10]([CH2:27][OH:28])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.[CH3:36][S:37](Cl)(=[O:39])=[O:38]>ClCCl>[CH2:1]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][C:15]=2[C:16]([O:18][CH3:19])=[O:17])[CH:10]([CH2:27][O:28][S:37]([CH3:36])(=[O:39])=[O:38])[CH2:9]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 66769628Methyl 2-(4-benzyl-2-(hydroxymethyl)piperazin-1-yl)-5-nitrobenzoate

Product 1

HCID 87142397Methyl 2-(4-benzyl-2-((methylsulfonyloxy)methyl)piperazin-1-yl)-5-nitrobenzoate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a vigorously stirred solution of Example 45E (1 g, 2.59 mmol) in dichloromethane (5.19 mL) was added triethylamine (0.542 mL, 3.89 mmol) and methanesulfonyl chloride (0.253 mL, 3.24 mmol). The reaction was stirred for 10 minutes and then quenched with brine, extracted twice with dichloromethane, dried over sodium sulfate, and the solvent was evaporated to afford the title compound. MS (ESI+) m/z 464.1 (M+H)+.

Workup

  1. customquenched with brine
  2. extractionextracted twice with dichloromethane
  3. dry with materialdried over sodium sulfate
  4. customthe solvent was evaporated

Sources & evidence

ORD record
ord-c2aae20b9cb44f378ae14efcacc9da1e
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08546377B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes