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Dimethylformamide → 5-[2-[[2-(5-Isopropylthieno[2,3-d]pyrimidin-4-yl)-2-azabicyclo[2.2.1]heptan-5-yl]oxy]ethyl]-2-oxa-5-azabicyclo[2.2.1]heptane

HRID 928568
Notes
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Reaction equation

HRID 928568 reaction equation
CS(O[CH2:6][CH2:7][O:8][CH:9]1[CH2:14][CH:13]2[CH2:15][CH:10]1[CH2:11][N:12]2[C:16]1[C:17]2[C:24]([CH:25]([CH3:27])[CH3:26])=[CH:23][S:22][C:18]=2[N:19]=[CH:20][N:21]=1)(=O)=O.Cl.[CH:29]12[CH2:35][CH:32]([NH:33][CH2:34]1)[CH2:31][O:30]2.C(=O)([O-])[O-].[K+].[K+].CN(C=O)C>C(C(C)=O)C.C(Cl)Cl>[CH:25]([C:24]1[C:17]2[C:16]([N:12]3[CH2:11][CH:10]4[CH2:15][CH:13]3[CH2:14][CH:9]4[O:8][CH2:7][CH2:6][N:33]3[CH2:34][CH:29]4[CH2:35][CH:32]3[CH2:31][O:30]4)=[N:21][CH:20]=[N:19][C:18]=2[S:22][CH:23]=1)([CH3:27])[CH3:26]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 219143642-Oxa-5-azabicyclo[2.2.1]heptane hydrochlorideHCID 895794842-[[2-(5-Isopropylthieno[2,3-d]pyrimidin-4-yl)-2-azabicyclo[2.2.1]heptan-5-yl]oxy]ethyl methanesulfonate

Product 1

HCID 895796045-[2-[[2-(5-Isopropylthieno[2,3-d]pyrimidin-4-yl)-2-azabicyclo[2.2.1]heptan-5-yl]oxy]ethyl]-2-oxa-5-azabicyclo[2.2.1]heptane
Yield 17.9%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 6569Methyl Ethyl KetoneSolvent

Conditions

Temperature
180 °C

Procedure

2-[[2-(5-Isopropylthieno[2,3-d]pyrimidin-4-yl)-2-azabicyclo[2.2.1]heptan-5-yl]oxy]ethyl methanesulfonate (0.11 g, 0.27 mmol), 2-oxa-5-azabicyclo[2.2.1]heptane hydrochloride (0.072 g, 0.53 mmol) and potassium carbonate (0.11 g, 0.80 mmol) were combined in methyl ethyl ketone (2 mL)/DMF (1 mL, 12.8) and heated in the microwave for 30 minutes at 180° C. The reaction mixture was diluted with DCM, washed with water, dried over Na2SO4 and concentrated at reduced pressure. The resulting residue was purified by basic prep HPLC (method 2) to afford 5-[2-[[2-(5-isopropylthieno[2,3-d]pyrimidin-4-yl)-2-azabicyclo[2.2.1]heptan-5-yl]oxy]ethyl]-2-oxa-5-azabicyclo[2.2.1]heptane as a colourless gum (20 mg). LCMS RT=4.33 min. M+1=415.

Workup

  1. washwashed with water
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated at reduced pressure
  4. customThe resulting residue was purified by basic prep HPLC (method 2)

Sources & evidence

ORD record
ord-bae1a31b3aa443d5a16cfc27c3b41512
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09290511B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes