Trifluoroacetic acid → 2-Oxo-1-piperidin-4-yl-2,3-dihydro-1H-imidazole-4-carbonitrile

HRID 1867606Notes

Reaction equation

HRID 1867606 reaction equation
FC(F)(F)C(O)=O.[C:8]([C:10]1[NH:11][C:12](=[O:28])[N:13]([CH:15]2[CH2:20][CH2:19][N:18](C(OC(C)(C)C)=O)[CH2:17][CH2:16]2)[CH:14]=1)#[N:9]>ClCCl>[O:28]=[C:12]1[NH:11][C:10]([C:8]#[N:9])=[CH:14][N:13]1[CH:15]1[CH2:20][CH2:19][NH:18][CH2:17][CH2:16]1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 59006363Tert-butyl 4-(4-cyano-2-oxo-2,3-dihydroimidazol-1-yl)piperidine-1-carboxylate

Product 1

HCID 598565282-Oxo-1-piperidin-4-yl-2,3-dihydro-1H-imidazole-4-carbonitrile

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Trifluoroacetic acid (4 mL) was added to a solution of tert-butyl 4-(4-cyano-2-oxo-2,3-dihydro-1H-imidazol-1-yl)piperidine-1-carboxylate (25 mg, 0.086 mmol) in dichloromethane (6 mL). After 20 min, the reaction was concentrated to give the title compound. MS 193.3 (M+1)

Workup

  1. concentrationthe reaction was concentrated

Sources & evidence

ORD record
ord-00b0c65137c74ce99ec0883b1ebbf94b
Source dataset
uspto-grants-2009_12
Patent number
US07632832B2

Reaction notes

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