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4-Fluoroaniline → 3-[8-(2,6-difluorophenyl)-2-(methylthio)-7-oxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]-N-(4-fluorophenyl)-4-methylbenzamide

HRID 2243653
Notes
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Reaction equation

HRID 2243653 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[N:9]1[C:14]2[N:15]=[C:16]([S:29][CH3:30])[N:17]=[C:18]([C:19]3[CH:20]=[C:21]([CH:25]=[CH:26][C:27]=3[CH3:28])[C:22]([OH:24])=O)[C:13]=2[CH2:12][NH:11][C:10]1=[O:31].C(N(C(C)C)CC)(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[F:65][C:66]1[CH:72]=[CH:71][C:69]([NH2:70])=[CH:68][CH:67]=1>C(Cl)Cl.O>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[N:9]1[C:14]2[N:15]=[C:16]([S:29][CH3:30])[N:17]=[C:18]([C:19]3[CH:20]=[C:21]([CH:25]=[CH:26][C:27]=3[CH3:28])[C:22]([NH:70][C:69]3[CH:71]=[CH:72][C:66]([F:65])=[CH:67][CH:68]=3)=[O:24])[C:13]=2[CH2:12][NH:11][C:10]1=[O:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 97314-FluoroanilineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 119506223-[8-(2,6-Difluorophenyl)-2-(methylthio)-7-oxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]-4-methylbenzoic acid

Product 1

HCID 11949930
3-[8-(2,6-difluorophenyl)-2-(methylthio)-7-oxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]-N-(4-fluorophenyl)-4-methylbenzamide
Yield 92%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent2×

Procedure

To the solution of 3-[8-(2,6-difluorophenyl)-2-(methylthio)-7-oxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]-4-methylbenzoic acid (1.2 g, 2.71 mmol) in CH2Cl2 (80 mL) were added diisopropyl ethyl amine (0.96 mL, 5.5 mmol), HATU (1.044 g, 2.75 mmol) and 4-floroaniline (0.276 mL, 2.92 mmol). The reaction mixture was stirred over night. The reaction mixture was diluted with CH2Cl2 (50 mL) and water (50 mL) and shaked. The layers were separated and the organic layer was washed with brine (75 mL), dried over Na2SO4, filtered and concentrated. CombiFlash chromatography (load column with DCM, mobile phase EtOAc/Hexane) then provided the title compound as a white solid 1.33 g (92%). LC-MS m/z 536 (M+H)+.

Workup

  1. customThe layers were separated
  2. washthe organic layer was washed with brine (75 mL)
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-fff96c1409d94c2bb5362b02033e61ac
Source dataset
uspto-grants-2010_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07674789B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes