4-Aminophenylboronic acid → 1-(4-(4-Aminophenyl)-6-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1,3,5-triazin-2-yl)piperidin-4-one

HRID 2037125Notes

Reaction equation

HRID 2037125 reaction equation
[CH:1]12[O:8][CH:5]([CH2:6][CH2:7]1)[CH2:4][N:3]([C:9]1[N:14]=[C:13](Cl)[N:12]=[C:11]([N:16]3[CH2:21][CH2:20][C:19](=[O:22])[CH2:18][CH2:17]3)[N:10]=1)[CH2:2]2.[NH2:23][C:24]1[CH:29]=[CH:28][C:27](B(O)O)=[CH:26][CH:25]=1.C(O)C.C1(C)C=CC=CC=1>C(=O)([O-])[O-].[Na+].[Na+].[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[NH2:23][C:24]1[CH:29]=[CH:28][C:27]([C:13]2[N:14]=[C:9]([N:3]3[CH2:4][CH:5]4[O:8][CH:1]([CH2:7][CH2:6]4)[CH2:2]3)[N:10]=[C:11]([N:16]3[CH2:21][CH2:20][C:19](=[O:22])[CH2:18][CH2:17]3)[N:12]=2)=[CH:26][CH:25]=1

Participants

6

Reactant 3

HCID 27346154-Aminophenylboronic acidHCID 21863594Toluene ethanolHCID 866365191-(4-(8-Oxa-3-azabicyclo[3.2.1]octan-3-yl)-6-chloro-1,3,5-triazin-2-yl)piperidin-4-one

Product 1

HCID 670219321-(4-(4-Aminophenyl)-6-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1,3,5-triazin-2-yl)piperidin-4-one

Reagents, catalysts & solvents 2

HCID 11979704Tetrakis(triphenylphosphine)palladiumCatalystHCID 10340Sodium CarbonateSolvent

Procedure

A suspension of 1-(4-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-6-chloro-1,3,5-triazin-2-yl)piperidin-4-one (1.0 g, 3.1 mmol), 4-aminophenylboronic acid, pinacol ester (1.0 g, 4.7 mmol), and tetrakis(triphenylphosphine) palladium (0.20 g, 0.17 mmol) in aqueous 2 M sodium carbonate solution (3 mL) and 1:1 ethanol/toluene (12 mL) was irradiated in the microwave at 120° C. for 1 hour. After cooling, the biphasic mixture was extracted thrice with ethyl acetate. The extracts were washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated to dryness under reduced pressure to give the title compound as a golden yellow foam.

Workup

  1. customwas irradiated in the microwave at 120° C. for 1 hour
  2. temperatureAfter cooling
  3. extractionthe biphasic mixture was extracted thrice with ethyl acetate
  4. washThe extracts were washed with saturated aqueous sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated to dryness under reduced pressure

Sources & evidence

ORD record
ord-7b556694494a4e30bc1948fbf6f63435
Source dataset
uspto-grants-2013_11
Patent number
US08575159B2

Reaction notes

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