Hydrochloric Acid → HCID 86646920, compound

HRID 1895654Notes

Reaction equation

HRID 1895654 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](=[O:33])[N:11]1[CH2:16][CH2:15][N:14]2[C:17]([C:29]([F:32])([F:31])[F:30])=[N:18][C:19]([C:20](=[O:28])[NH:21][C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][N:23]=3)=[C:13]2[CH2:12]1)(C)(C)C.[Cl:45]CCl.[ClH:48]>CO>[ClH:45].[ClH:48].[N:23]1[CH:24]=[CH:25][CH:26]=[CH:27][C:22]=1[NH:21][C:20]([C:19]1[N:18]=[C:17]([C:29]([F:30])([F:31])[F:32])[N:14]2[CH2:15][CH2:16][N:11]([C:10](=[O:33])[CH2:9][C@H:8]([NH2:7])[CH2:34][C:35]3[CH:40]=[C:39]([F:41])[C:38]([F:42])=[CH:37][C:36]=3[F:43])[CH2:12][C:13]=12)=[O:28]

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 6344DichloromethaneHCID 57518441HCID 57518441, compound

Product 1

HCID 86646920HCID 86646920, compoundYield 95.2%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

(R)-[3-Oxo-3-[1-(pyridin-2-ylcarbamoyl)-3-trifluoromethyl-5,6-dihydro-8H-imidazo[1,5-a]pyrazin-7-yl]-1-(2,4,5-trifluoro-benzyl)-propyl]-carbamic acid tert-butyl ester 31a (0.10 g, 0.16 mmol) and 2 mL of dichloromethane were added into the reaction flask. A solution of 2.7 N hydrochloric acid in 5 mL of methanol was added to the flask. 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. The resulting residue was purified by silica gel column chromatography to obtain the title compound (R)-7-[3-amino-4-(2,4,5-trifluoro-phenyl)-butyryl]-3-trifluoromethyl-5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine-1-carboxylic acid (pyridin-2-yl)amide dihydrochloride 31 (80 mg, yield 95.2%) as a white solid.

Workup

  1. customThe reaction mixture was reacted at room temperature overnight
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. customThe resulting residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-6a2661d7557d48a7b4824a4a3f5f0f11
Source dataset
uspto-grants-2013_08
Patent number
US08513411B2

Reaction notes

Loading…