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Triethylamine → 1-methyl-2-[2-(5-phenyl-[1,2,4]oxadiazol-3-yl)-morpholin-4-yl]-1H-[4,4']bipyrimidinyl-6-one

HRID 218329
Notes
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Reaction equation

HRID 218329 reaction equation
Cl.[C:2]1([C:8]2[O:12][N:11]=[C:10]([CH:13]3[O:18][CH2:17][CH2:16][NH:15][CH2:14]3)[N:9]=2)[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.BrC1C=CC([C@H]2CO2)=CC=1.[CH3:29][N:30]1[C:35](=[O:36])[CH:34]=[C:33]([C:37]2[CH:42]=[CH:41][N:40]=[CH:39][N:38]=2)[N:32]=[C:31]1N1CCOC(C2ON=C(C3C=CC=CC=3)N=2)C1.C(N(CC)CC)C>O1CCCC1>[CH3:29][N:30]1[C:35](=[O:36])[CH:34]=[C:33]([C:37]2[CH:42]=[CH:41][N:40]=[CH:39][N:38]=2)[N:32]=[C:31]1[N:15]1[CH2:16][CH2:17][O:18][CH:13]([C:10]2[N:9]=[C:8]([C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=3)[O:12][N:11]=2)[CH2:14]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 12163514(2S)-2-(4-bromophenyl)oxiraneHCID 577987881-methyl-2-(2-(3-phenyl-[1,2,4]oxadiazol-5-yl)-morpholin-4-yl)-1H-[4,4']bipyrimidinyl-6-one2×HCID 668424982-(5-Phenyl-1,2,4-oxadiazol-3-yl)morpholine hydrochloride

Product 1

HCID 577987871-methyl-2-[2-(5-phenyl-[1,2,4]oxadiazol-3-yl)-morpholin-4-yl]-1H-[4,4']bipyrimidinyl-6-one
Yield 64%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of the resulting 2-(5-phenyl-[1,2,4]oxadiazol-3-yl)-morpholine hydrochloride (intermediate 10 in tetrahydrofuran (6.0 ml) was added with 2-chloro-3-methyl-6-(pyrimidine-4-yl)pyrimidin-4-one (intermediate 1, 260 mg, 2.34 mmol) and triethylamine (1.81 ml, 13.0 mmol), and the reaction mixture was stirred at room temperature for 2 hours. The solution was partitioned between water and chloroform, and the organic layer was washed with water and brine, dried over magnesium sulfate, and concentrated in vacuo. The resulting residue was purified by column chromatography on silica gel (eluent; 5% methanol in chloroform) to afford 1-methyl-2-[2-(5-phenyl-[1,2,4]oxadiazol-3-yl)-morpholin-4-yl]-1H-[4,4′]bipyrimidinyl-6-one (compound 2 in Table 1, 749 mg, 64%, 2 steps) as solid

Workup

  1. customThe solution was partitioned between water and chloroform
  2. washthe organic layer was washed with water and brine
  3. dry with materialdried over magnesium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe resulting residue was purified by column chromatography on silica gel (eluent; 5% methanol in chloroform)

Sources & evidence

ORD record
ord-835d49e4d97345a8911b542bdbe2ca09
Source dataset
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08198437B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes