Triethylamine → HCID 57518464, compound

HRID 1895651Notes

Reaction equation

HRID 1895651 reaction equation
[C:1]([O:5][C:6]([NH:8][C@H:9]([CH2:29][C:30]1[CH:35]=[C:34]([F:36])[C:33]([F:37])=[CH:32][C:31]=1[F:38])[CH2:10][C:11]([N:13]1[CH2:18][CH2:17][N:16]2[C:19]([C:25]([F:28])([F:27])[F:26])=[N:20][C:21]([C:22](O)=[O:23])=[C:15]2[CH2:14]1)=[O:12])=[O:7])([CH3:4])([CH3:3])[CH3:2].[NH:39]1[CH2:43][CH2:42][CH2:41][C@H:40]1[CH2:44][OH:45].C(N(CC)CC)C.O=C1N(P(Cl)(N2CCOC2=O)=O)CCO1>ClCCl>[C:1]([O:5][C:6](=[O:7])[NH:8][C@H:9]([CH2:29][C:30]1[CH:35]=[C:34]([F:36])[C:33]([F:37])=[CH:32][C:31]=1[F:38])[CH2:10][C:11]([N:13]1[CH2:18][CH2:17][N:16]2[C:19]([C:25]([F:28])([F:26])[F:27])=[N:20][C:21]([C:22]([N:39]3[CH2:43][CH2:42][CH2:41][C@H:40]3[CH2:44][OH:45])=[O:23])=[C:15]2[CH2:14]1)=[O:12])([CH3:2])([CH3:3])[CH3:4]

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 640091L-ProlinolHCID 59548952(R)-7-[3-tert-butoxycarbonylamino-4-(2,4,5-trifluoro-phenyl)-butyryl]-3-trifluoromethyl-5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine-1-carboxylic acid

Product 1

HCID 57518464HCID 57518464, compoundYield 116.9%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

(R)-7-[3-tert-Butoxycarbonylamino-4-(2,4,5-trifluoro-phenyl)-butyryl]-3-trifluoromethyl-5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine-1-carboxylic acid 2a (0.15 g, 0.27 mmol), (S)-pyrrolidin-2-ylmethanol (54.62 mg, 0.54 mmol) and triethylamine (0.25 mL, 1.62 mmol) were dissolved in 10 mL of dichloromethane under stirring, and bis(2-oxo-3-oxazolidinyl)phosphinic chloride (0.14 g, 0.54 mmol) was then added to the solution. The reaction mixture was stirred 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)-[3-[1-((S)-2-hydroxymethyl-pyrrolidine-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 30a (0.2 g) as a white solid.

Workup

  1. stirringThe reaction mixture was stirred 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-0e594003608149fca1d95b8c9b0a3e48
Source dataset
uspto-grants-2013_08
Patent number
US08513411B2

Reaction notes

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