Methylamine → HCID 58015026, compound

HRID 1676675Notes

Reaction equation

HRID 1676675 reaction equation
[CH:1]1([N:6]2[CH2:12][C:11]([F:14])([F:13])[C:10](=[O:15])[N:9]([CH2:16][CH3:17])[C:8]3[CH:18]=[N:19][C:20]([NH:22][C:23]4[CH:31]=[CH:30][C:26]([C:27](O)=[O:28])=[CH:25][CH:24]=4)=[N:21][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1.F[P-](F)(F)(F)(F)F.[CH3:39][N:40](C(N(C)C)=[N+]1C2C(=NC=CC=2)[N+]([O-])=N1)C.C(N(C(C)C)CC)(C)C.CN>O1CCCC1.C(OCC)(=O)C.O.CN(C)C=O>[CH:1]1([N:6]2[CH2:12][C:11]([F:13])([F:14])[C:10](=[O:15])[N:9]([CH2:16][CH3:17])[C:8]3[CH:18]=[N:19][C:20]([NH:22][C:23]4[CH:24]=[CH:25][C:26]([C:27]([NH:40][CH3:39])=[O:28])=[CH:30][CH:31]=4)=[N:21][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1

Participants

9

Reactant 4

HCID 6329MethylamineHCID 81531DiisopropylethylamineHCID 580151284-(9-cyclopentyl-5-ethyl-7,7-difluoro-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-benzoic acidHCID 178484293HCID 178484293, compound

Product 1

HCID 58015026HCID 58015026, compoundYield 67.5%

Reagents, catalysts & solvents 4

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a mixture of 0.053 g (0.12 mmole) of 4-(9-cyclopentyl-5-ethyl-7,7-difluoro-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-benzoic acid (I-138), 0.06 g (0.15 mmole) of 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium-3-oxide hexafluorophosphate and 2 mL of dimethylformamide was added 0.03 mL (0.186 mmole) of diisopropylethylamine. After stirring at room temperature for 30 minutes, a solution of 0.09 mL (0.186 mmole) of 2M methylamine in tetrahydrofuran was added. The mixture was stirred at room temperature for 18 hours and then diluted with ethyl acetate and water. The aqueous phase was extracted twice with ethyl acetate. The combined organic layers were washed with water, brine, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography eluting with hexanes-ethyl acetate (30:70) to give 0.036 g of 4-(9-cyclopentyl-5-ethyl-7,7-difluoro-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-methyl-benzamide (I-140).

Workup

  1. stirringThe mixture was stirred at room temperature for 18 hours
  2. extractionThe aqueous phase was extracted twice with ethyl acetate
  3. washThe combined organic layers were washed with water, brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by silica gel chromatography
  8. washeluting with hexanes-ethyl acetate (30:70)

Sources & evidence

ORD record
ord-3578b86b541341098de1b31c76ad7d9d
Source dataset
uspto-grants-2011_08
Patent number
US08003785B2

Reaction notes

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