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Triethylamine → HCID 57639703, compound

HRID 1715629
Notes
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Reaction equation

HRID 1715629 reaction equation
O=C1CCC(=O)N1O[C:9]([C:11]1[CH:19]=[C:18]2[C:14]([CH:15]=[N:16][N:17]2[CH2:20][CH:21]([CH3:23])[CH3:22])=[CH:13][C:12]=1[O:24][C:25]1[CH:30]=[CH:29][C:28]([F:31])=[CH:27][C:26]=1[F:32])=[O:10].Cl.Cl.[CH3:35][O:36][C:37](=[O:45])[CH:38]([NH2:44])[CH2:39][CH2:40][N:41]([CH3:43])[CH3:42].C(N(CC)CC)C>ClCCl>[CH3:35][O:36][C:37](=[O:45])[C@@H:38]([NH:44][C:9]([C:11]1[CH:19]=[C:18]2[C:14]([CH:15]=[N:16][N:17]2[CH2:20][CH:21]([CH3:23])[CH3:22])=[CH:13][C:12]=1[O:24][C:25]1[CH:30]=[CH:29][C:28]([F:31])=[CH:27][C:26]=1[F:32])=[O:10])[CH2:39][CH2:40][N:41]([CH3:43])[CH3:42]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 426324812,5-dioxopyrrolidin-1-yl 5-(2,4-difluorophenoxy)-1-isobutyl-1H-indazole-6-carboxylateHCID 57418767HCID 57418767, compound

Product 1

HCID 57639703HCID 57639703, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 5-(2,4-difluorophenoxy)-1-isobutyl-1H-indazole-6-carboxylic acid 2,5-dioxopyrrolidin-1-yl ester (32.0 g, 72.2 mmol) and 2-amino-4-dimethylaminobutyric acid methyl ester dihydrochloride (19.35 g, 83.0 mmol) in dichloromethane was added triethylamine (35 mL, 253 mmol) and the mixture stirred at room temperature for 4 hours. The reaction mixture was concentrated under reduced pressure and diluted with dichloromethane (400 mL). The solution was washed with saturated NH4Cl (2×200 mL), saturated NaHCO3 (2×200 mL) and brine (200 mL). The organics were dried over MgSO4 and concentrated under reduced pressure to afford the crude product.

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. additiondiluted with dichloromethane (400 mL)
  3. washThe solution was washed with saturated NH4Cl (2×200 mL), saturated NaHCO3 (2×200 mL) and brine (200 mL)
  4. dry with materialThe organics were dried over MgSO4
  5. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-828e691719fe401ab72fd2c5eb6d752e
Source dataset
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07799782B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes