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Triethylamine → 7-bromo-2-ethoxymethyl-1-{[1-(2-methylpropylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine

HRID 9511
Notes
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Reaction equation

HRID 9511 reaction equation
Cl.Cl.[Br:3][C:4]1[CH:5]=[CH:6][C:7]2[C:8]3[N:17]([CH2:18][CH:19]4[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]4)[C:16]([CH2:25][O:26][CH2:27][CH3:28])=[N:15][C:9]=3[C:10]([NH2:14])=[N:11][C:12]=2[CH:13]=1.C(N(CC)CC)C.[C:36](Cl)(=O)[CH:37]([CH3:39])[CH3:38].[C:42](OCC)(=[O:44])C>C(Cl)(Cl)Cl>[Br:3][C:4]1[CH:5]=[CH:6][C:7]2[C:8]3[N:17]([CH2:18][CH:19]4[CH2:24][CH2:23][N:22]([C:42]([CH2:36][CH:37]([CH3:39])[CH3:38])=[O:44])[CH2:21][CH2:20]4)[C:16]([CH2:25][O:26][CH2:27][CH3:28])=[N:15][C:9]=3[C:10]([NH2:14])=[N:11][C:12]=2[CH:13]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 62325Isobutyryl chlorideHCID 219844087-bromo-2-ethoxymethyl-1-(piperidin-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-4-amine dihydrochloride

Product 1

HCID 219842427-bromo-2-ethoxymethyl-1-{[1-(2-methylpropylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine

Reagents, catalysts & solvents

1
HCID 6212ChloroformSolvent

Procedure

A solution of 7-bromo-2-ethoxymethyl-1-(piperidin-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-4-amine dihydrochloride (4.0 g, 8.1 mmol) and triethylamine (5.67 mL, 40.7 mmol) in chloroform (300 mL) was treated with isobutyryl chloride (0.85 mL, 8.1 mmol) according to the method described in Part A of Examples 583–611. The reaction was complete after one hour. Following trituration with ethyl acetate, the solid was recrystallized from ethyl acetate and then triturated with hot acetonitrile and isolated by filtration to provide 3.63 g of 7-bromo-2-ethoxymethyl-1-{[1-(2-methylpropylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine as a white solid, mp 199–200° C.

Workup

  1. customthe solid was recrystallized from ethyl acetate
  2. customtriturated with hot acetonitrile
  3. customisolated by filtration

Sources & evidence

ORD record
ord-99bd2886c8094accacefd852ba8f9685
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07091214B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes