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Methylamine → 3-(4-aminopyrido[3,2-d]pyrimidin-6-yl)-5-fluoro-N-methylbenzamide

HRID 1049891
Notes
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Reaction equation

HRID 1049891 reaction equation
[NH2:1][C:2]1[C:3]2[N:11]=[C:10]([C:12]3[CH:13]=[C:14]([CH:18]=[C:19]([F:21])[CH:20]=3)[C:15]([OH:17])=O)[CH:9]=[CH:8][C:4]=2[N:5]=[CH:6][N:7]=1.CN.C1COCC1.[CH3:29][N:30](C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[NH2:1][C:2]1[C:3]2[N:11]=[C:10]([C:12]3[CH:13]=[C:14]([CH:18]=[C:19]([F:21])[CH:20]=3)[C:15]([NH:30][CH3:29])=[O:17])[CH:9]=[CH:8][C:4]=2[N:5]=[CH:6][N:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 6329MethylamineHCID 8028TetrahydrofuranHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 727035203-(4-Aminopyrido[3,2-d]pyrimidin-6-yl)-5-fluorobenzoic acid

Product 1

HCID 86703897
3-(4-aminopyrido[3,2-d]pyrimidin-6-yl)-5-fluoro-N-methylbenzamide

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Following the same reaction and purification procedure, the acid 3 (50 mg, 0.18 mmol) was reacted with methyl amine 2M in THF (0.18 mL, 0.35 mmol), HATU (103 mg, 0.6 mmol) and DIPEA (0.15 mL, 0.88 mmol) in DMF (1 mL) at room temperature to provide 3-(4-aminopyrido[3,2-d]pyrimidin-6-yl)-5-fluoro-N-methylbenzamide 5. LC/MS (ESI+): m/z 298 (M+H). 1H NMR (400 MHz, DMSO) δ 8.71 (d, J=4.5 Hz, 1H), 8.59 (dd, J=7.4, 4.0 Hz, 2H), 8.54 (d, J=8.9 Hz, 1H), 8.47 (s, 1H), 8.28 (s, 1H), 8.20 (d, J=8.8 Hz, 1H), 8.06 (s, 1H), 7.72 (d, J=9.2 Hz, 1H), 2.87 (d, J=4.5 Hz, 3H).

Workup

  1. customthe same reaction and purification procedure

Sources & evidence

ORD record
ord-200e2313651040ea829bbed927a16cfa
Source dataset
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09382241B2

Reaction notes

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