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Triethylamine → Tert-butyl 4-(2-(methylsulfonyloxy)ethyl)piperazine-1-carboxylate

HRID 2353495
Notes
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Reaction equation

HRID 2353495 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][OH:16])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.[CH3:24][S:25](Cl)(=[O:27])=[O:26]>C1COCC1>[CH3:24][S:25]([O:16][CH2:15][CH2:14][N:11]1[CH2:10][CH2:9][N:8]([C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:7])[CH2:13][CH2:12]1)(=[O:27])=[O:26]
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 735736Tert-butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate

Product 1

HCID 22989493Tert-butyl 4-(2-(methylsulfonyloxy)ethyl)piperazine-1-carboxylate

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of tert-butyl-4-(2-hydroxyethyl)-piperazine-1-carboxylate (Maybridge, 0.29 g, 1.2 mmol), triethylamine (0.56 mL, 4.1 mmol), and methanesulfonyl chloride (0.15 mL, 1.9 mmol) in 10 mL THF were processed as described in Example 1C to give the title compound that was used directly in the next reaction.

Sources & evidence

ORD record
ord-0db6fb10180941c1b4899cb00834f29e
Source dataset
uspto-grants-2010_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07750039B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes