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Diisopropylethylamine → 4-Amino-6-((1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(2-pyridinyl)-2-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile

HRID 1616067
Notes
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Reaction equation

HRID 1616067 reaction equation
[NH2:1][C:2]1[C:7]([C:8]#[N:9])=[C:6](Cl)[N:5]=[CH:4][N:3]=1.[F:11][C:12]1[CH:13]=[C:14]2[C:19](=[CH:20][CH:21]=1)[N:18]=[C:17]([CH:22]([NH2:24])[CH3:23])[C:16]([C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=1)=[C:15]2[C:31]1[O:32][C:33]([CH3:36])=[N:34][N:35]=1.C(N(CC)C(C)C)(C)C>C(O)CCC>[NH2:1][C:2]1[C:7]([C:8]#[N:9])=[C:6]([NH:24][CH:22]([C:17]2[C:16]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=3)=[C:15]([C:31]3[O:32][C:33]([CH3:36])=[N:34][N:35]=3)[C:14]3[C:19](=[CH:20][CH:21]=[C:12]([F:11])[CH:13]=3)[N:18]=2)[CH3:23])[N:5]=[CH:4][N:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 122782624-Amino-6-chloropyrimidine-5-carbonitrileHCID 696756651-(6-Fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(pyridin-2-yl)-quinolin-2-yl)ethanamine

Product 1

HCID 696757154-Amino-6-((1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(2-pyridinyl)-2-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile

Reagents, catalysts & solvents 1

HCID 263
1-Butanol
Solvent

Conditions

Temperature
120 °C

Procedure

A mixture of 4-amino-6-chloropyrimidine-5-carbonitrile (0.030 g, 0.192 mmol), 1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(pyridin-2-yl)quinolin-2-yl)-ethanamine (0.067 g, 0.192 mmol), and N,N-diisopropylethylamine (0.167 mL, 0.959 mmol) in 1-butanol (1.918 mL) was stirred at 120° C. After 20 h, the mixture was removed from heat and to the cooled mixture was added water (50 mL) and DCM (50 mL). The organic layer was concentrated in vacuo to give the crude material as a light yellow solid. The light yellow solid was absorbed onto a plug of silica gel and purified by silica gel column chromatography eluting with a gradient of 0% to 50% DCM:MeOH:NH4OH (89:9:1) in DCM, to provide 4-amino-6-((1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(2-pyridinyl)-2-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile as an off-white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 8.56-8.62 (1H, m), 8.22-8.29 (1H, m), 7.85-7.93 (3H, m), 7.82 (1H, td, J=7.7, 1.8 Hz), 7.58 (1H, d, J=7.2 Hz), 7.42-7.47 (1H, m), 7.38 (1H, ddd, J=7.6, 4.9, 1.2 Hz), 7.24 (2H, br. s.), 5.54 (1H, quin, J=6.7 Hz), 2.34 (3H, s), 1.39 (3H, d, J=6.7 Hz); LC-MS (ESI) m/z 468.1 [M+H]+.

Workup

  1. customthe mixture was removed
  2. temperaturefrom heat and to the cooled mixture
  3. additionwas added water (50 mL) and DCM (50 mL)
  4. concentrationThe organic layer was concentrated in vacuo
  5. customto give the crude material as a light yellow solid
  6. customThe light yellow solid was absorbed onto a plug of silica gel
  7. custompurified by silica gel column chromatography
  8. washeluting with a gradient of 0% to 50% DCM:MeOH:NH4OH (89:9:1) in DCM

Sources & evidence

ORD record
ord-dbde26fd79604bc199383dd7df54bde3
Source dataset
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08765768B2

Reaction notes

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