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Triethylamine → Tert-butyl 4-({3-[(ethoxyacetyl)amino]-5,6-dimethyl-2-phenoxypyridin-4-yl)amino)butylcarbamate

HRID 1064396
Notes
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Reaction equation

HRID 1064396 reaction equation
C(N(CC)CC)C.[NH2:8][C:9]1[C:10]([O:30][C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)=[N:11][C:12]([CH3:29])=[C:13]([CH3:28])[C:14]=1[NH:15][CH2:16][CH2:17][CH2:18][CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:26])([CH3:25])[CH3:24].[CH2:37]([O:39][CH2:40][C:41](Cl)=[O:42])[CH3:38]>ClCCl>[CH2:37]([O:39][CH2:40][C:41]([NH:8][C:9]1[C:10]([O:30][C:31]2[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=2)=[N:11][C:12]([CH3:29])=[C:13]([CH3:28])[C:14]=1[NH:15][CH2:16][CH2:17][CH2:18][CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:42])[CH3:38]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 84189Ethoxyacetyl chlorideHCID 12109126Tert-butyl 4-[(3-amino-5,6-dimethyl-2-phenoxypyridin-4-yl)amino]butylcarbamate

Product 1

HCID 12109142Tert-butyl 4-({3-[(ethoxyacetyl)amino]-5,6-dimethyl-2-phenoxypyridin-4-yl)amino)butylcarbamate

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

Triethylamine (3.3 mL, 23.7 mmol) was added to a chilled (0° C.) mixture of tert-butyl 4-[(3-amino-5,6-dimethyl-2-phenoxypyridin-4-yl)amino]butylcarbamate (8.60 g, 21.5 mmol) and anhydrous dichloromethane (200 mL). Ethoxyacetyl chloride (2.76 g, 22.5 mmol) was added. After one hour the reaction mixture was allowed to warm to ambient temperature and stirred for 2 hours. The reaction mixture was concentrated under reduced pressure to provide tert-butyl 4-({3-[(ethoxyacetyl)amino]-5,6-dimethyl-2-phenoxypyridin-4-yl}amino)butylcarbamate as a brown oil. The oil was combined with pyridine (130 mL) and heated at reflux overnight. The reaction mixture was concentrated under reduced pressure to provide a brown oil. The oil was dissolved in dichloromethane and was washed with water. The organic layer was dried over magnesium sulfate and then concentrated under reduced pressure. The residue was dissolved in diethyl ether and then concentrated under reduced pressure to provide 8.21 g of tert-butyl 4-[2-(ethoxymethyl)-6,7-dimethyl-4-phenoxy-1H-imidazo[4,5-c]pyridin-1-yl]butylcarbamate.

Workup

  1. temperaturea chilled
  2. concentrationThe reaction mixture was concentrated under reduced pressure

Sources & evidence

ORD record
ord-9121a26fc8384609b3756c2f907be23e
Source dataset
uspto-grants-2005_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06969722B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes