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Triethylamine → 1,1-Dimethylethyl (2S)-4-({6-[({6-[(4-fluorophenyl)oxy]-3-pyridinyl}carbonyl)(methyl)amino]-4-methyl-3-pyridinyl}methyl)-2-methyl-1-piperazinecarboxylate

HRID 534788
Notes
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Reaction equation

HRID 534788 reaction equation
[CH3:1][C@H:2]1[CH2:7][N:6]([CH2:8][C:9]2[CH:10]=[N:11][C:12]([NH:16][CH3:17])=[CH:13][C:14]=2[CH3:15])[CH2:5][CH2:4][N:3]1[C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19].C(N(CC)CC)C.[F:32][C:33]1[CH:38]=[CH:37][C:36]([O:39][C:40]2[N:45]=[CH:44][C:43]([C:46](Cl)=[O:47])=[CH:42][CH:41]=2)=[CH:35][CH:34]=1.C([O-])(O)=O.[Na+]>C(Cl)Cl>[F:32][C:33]1[CH:38]=[CH:37][C:36]([O:39][C:40]2[N:45]=[CH:44][C:43]([C:46]([N:16]([CH3:17])[C:12]3[N:11]=[CH:10][C:9]([CH2:8][N:6]4[CH2:5][CH2:4][N:3]([C:18]([O:20][C:21]([CH3:22])([CH3:24])[CH3:23])=[O:19])[C@@H:2]([CH3:1])[CH2:7]4)=[C:14]([CH3:15])[CH:13]=3)=[O:47])=[CH:42][CH:41]=2)=[CH:35][CH:34]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 231490426-[(4-Fluorophenyl)oxy]-3-pyridinecarbonyl chlorideHCID 592621971,1-Dimethylethyl (2S)-2-methyl-4-{[4-methyl-6-(methylamino)-3-pyridinyl]methyl}-1-piperazinecarboxylate

Product 1

HCID 59262199
1,1-Dimethylethyl (2S)-4-({6-[({6-[(4-fluorophenyl)oxy]-3-pyridinyl}carbonyl)(methyl)amino]-4-methyl-3-pyridinyl}methyl)-2-methyl-1-piperazinecarboxylate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

1,1-Dimethylethyl (2S)-2-methyl-4-{[4-methyl-6-(methylamino)-3-pyridinyl]methyl}-1-piperazinecarboxylate (D101) (0.038 g, 0.11 mmol) was dissolved in dry DCM (2 mL). Triethylamine (0.016 g, 0.16 mmol) was added dropwise and after 5 minutes a solution of the acid chloride from step 1 in dry DCM (2 mL) was added dropwise. The reaction mixture was then left stirring under argon at room temperature overnight. Saturated aqueous NaHCO3 (15 mL) was added and the aqueous layer extracted with DCM (3×5 mL). The organic extracts were dried (Na2SO4) and the crude product was purified by column chromatography. Elution with a 0-100% EtOAc/petroleum ether gradient gave the title compound as a colourless oil (0.026 g). MS (ES): MH+ 550.4

Workup

  1. additionwas added dropwise
  2. waitThe reaction mixture was then left
  3. extractionthe aqueous layer extracted with DCM (3×5 mL)
  4. dry with materialThe organic extracts were dried (Na2SO4)
  5. customthe crude product was purified by column chromatography
  6. washElution with a 0-100% EtOAc/petroleum ether gradient

Sources & evidence

ORD record
ord-c3126446feba4cbda58f77307a244f81
Source dataset
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08853218B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes