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Triethylamine → 4-[4-(6-Fluoro-pyrido[3,4-d]pyrimidin-4-ylamino)-2-methyl-phenoxy]-piperidine-1-carboxylic acid (2,6-difluoro-phenyl)-amide

HRID 731906
Notes
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Reaction equation

HRID 731906 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[N:9]=[C:10]=[O:11].Cl.[F:13][C:14]1[N:38]=[CH:37][C:17]2[N:18]=[CH:19][N:20]=[C:21]([NH:22][C:23]3[CH:28]=[CH:27][C:26]([O:29][CH:30]4[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]4)=[C:25]([CH3:36])[CH:24]=3)[C:16]=2[CH:15]=1.CCN(CC)CC>C(Cl)Cl>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[NH:9][C:10]([N:33]1[CH2:32][CH2:31][CH:30]([O:29][C:26]2[CH:27]=[CH:28][C:23]([NH:22][C:21]3[C:16]4[CH:15]=[C:14]([F:13])[N:38]=[CH:37][C:17]=4[N:18]=[CH:19][N:20]=3)=[CH:24][C:25]=2[CH3:36])[CH2:35][CH2:34]1)=[O:11]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 5221622,6-Difluorophenyl isocyanateHCID 69056076(6-Fluoro-pyrido[3,4-d]pyrimidin-4-yl)-[3-methyl-4-(piperidin-4-yloxy)-phenyl]-amine hydrochloride

Product 1

HCID 865952374-[4-(6-Fluoro-pyrido[3,4-d]pyrimidin-4-ylamino)-2-methyl-phenoxy]-piperidine-1-carboxylic acid (2,6-difluoro-phenyl)-amideYield 77%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

2,6-difluorophenyl Isocyanate (0.199 g, 1.28 mmol) was added to a solution of (6-Fluoro-pyrido[3,4-d]pyrimidin-4-yl)-[3-methyl-4-(piperidin-4-yloxy)-phenyl]-amine hydrochloride (T) (500 mg, 1.28 mmol) and NEt3 (0.388 g, 3.84 mmol) in CH2Cl2 (20 mL). After 1 h the reaction was quenched with water, the layers were separated and the organic layer was washed with 1N NaOH and water, dried over Na2SO4, and concentrated. Purification by flash column chromatography (CH2Cl2/MeOH 97:3) afforded the title compound as a yellow solid (0.50 g, 77%). LRMS: 509.2 (MH+); 1H NMR (DMSO-d6, 400 MHz): δ 9.90 (s, 1H), δ 8.86 (s, 1H), δ 8.58 (s, 1H), δ 8.28 (s, 1H), δ 8.19 (s, 1H), δ 7.55-7.58 (m, 2H), δ 7.20-7.27 (m, 1H), δ 7.04-7.10 (m, 3H), δ 4.58-4.61 (m, 1H), δ 3.69-3.73 (m, 2H), δ 3.33-3.98 (m, 2H), δ 2.19 (s, 3H), δ 1.91-1.96 (m, 2H), δ 1.60-1.66 (m, 2H).

Workup

  1. customAfter 1 h the reaction was quenched with water
  2. customthe layers were separated
  3. washthe organic layer was washed with 1N NaOH and water
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated
  6. customPurification by flash column chromatography (CH2Cl2/MeOH 97:3)

Sources & evidence

ORD record
ord-05d62207f9a84713b464931a28b2d383
Source dataset
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07585869B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes