Hydrochloric Acid → 1-(N-methyl-N-phenylaminocarbonyl)piperazine hydrochloride

HRID 22958

Reaction equation

HRID 22958 reaction equation
C(#N)C.C(O[C:9]([N:11]1[CH2:16][CH2:15][NH:14][CH2:13][CH2:12]1)=[O:10])(C)(C)C.[CH3:17][N:18]([C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)C([Cl:21])=O.Cl>C(N(CC)CC)C>[ClH:21].[CH3:17][N:18]([C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[C:9]([N:11]1[CH2:12][CH2:13][NH:14][CH2:15][CH2:16]1)=[O:10]

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 6342AcetonitrileHCID 77969Carbamic chloride, N-methyl-N-phenyl-HCID 143452tert-Butyl piperazine-1-carboxylate

Product 1

HCID 225913691-(N-methyl-N-phenylaminocarbonyl)piperazine hydrochloride

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

An acetonitrile (7 ml) solution containing N-(tert-butoxycarbonyl)piperazine (700 mg), N-methyl-N-phenylcarbamoyl chloride (700 mg) and triethylamine (1.05 mL) was stirred at room temperature for 15 hours to undergo reaction, and the resulting compound was acid-treated with hydrochloric acid to obtain 1-(N-methyl-N-phenylaminocarbonyl)piperazine.hydrochloride.

Workup

  1. customreaction

Sources & evidence

ORD record
ord-e805a6f4dfc941a1bf33986745408cfb
Source dataset
uspto-grants-2005_02
Patent number
US06849622B2

Linked notes

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