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Hydrochloric Acid → (R)-3-amino-1-[1-(4-methyl-piperazine-1-carbonyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-4-(2,4,5-trifluoro-phenyl)-butan-1-one dihydrochloride

HRID 221438
Notes
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Reaction equation

HRID 221438 reaction equation
C(OC(=O)[NH:7][C@H:8]([CH2:34][C:35]1[CH:40]=[C:39]([F:41])[C:38]([F:42])=[CH:37][C:36]=1[F:43])[CH2:9][C:10]([N:12]1[CH2:17][CH2:16][N:15]2[C:18]([C:30]([F:33])([F:32])[F:31])=[N:19][C:20]([C:21]([N:23]3[CH2:28][CH2:27][N:26]([CH3:29])[CH2:25][CH2:24]3)=[O:22])=[C:14]2[CH2:13]1)=[O:11])(C)(C)C.[ClH:45]>C(OCC)(=O)C>[ClH:45].[ClH:45].[NH2:7][C@H:8]([CH2:34][C:35]1[CH:40]=[C:39]([F:41])[C:38]([F:42])=[CH:37][C:36]=1[F:43])[CH2:9][C:10]([N:12]1[CH2:17][CH2:16][N:15]2[C:18]([C:30]([F:31])([F:33])[F:32])=[N:19][C:20]([C:21]([N:23]3[CH2:28][CH2:27][N:26]([CH3:29])[CH2:25][CH2:24]3)=[O:22])=[C:14]2[CH2:13]1)=[O:11]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 313Hydrochloric AcidHCID 57518411(R)-[3-[1-(4-methyl-piperazine-1-carbonyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-3-oxo-1-(2,4,5-trifluoro-benzyl)-propyl]-carbamic acid tert-butyl ester

Product 1

HCID 57518410(R)-3-amino-1-[1-(4-methyl-piperazine-1-carbonyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-4-(2,4,5-trifluoro-phenyl)-butan-1-one dihydrochloride

Reagents, catalysts & solvents 1

HCID 8857
Ethyl Acetate
Solvent

Procedure

(R)-[3-[1-(4-Methyl-piperazine-1-carbonyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-3-oxo-1-(2,4,5-trifluoro-benzyl)-propyl]-carbamic acid tert-butyl ester 5a (0.08 g, 0.126 mmol) was dissolved in a solution of 3.1 N hydrochloric acid in 6 mL of ethyl acetate. The reaction mixture was reacted at room temperature overnight and monitored by thin layer chromatography until the disappearance of the starting materials. The reaction mixture was concentrated under reduced pressure to obtain the title compound (R)-3-amino-1-[1-(4-methyl-piperazine-1-carbonyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-4-(2,4,5-trifluoro-phenyl)-butan-1-one dihydrochloride 5 (90 mg) as a white solid.

Workup

  1. customThe reaction mixture was reacted at room temperature overnight
  2. concentrationThe reaction mixture was concentrated under reduced pressure

Sources & evidence

ORD record
ord-055b2ae0c11e4cc288e75ceae42000e7
Source dataset
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08207161B2

Reaction notes

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