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Furfurylamine → HCID 44547797, compound

HRID 1676579
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Reaction equation

HRID 1676579 reaction equation
[CH:1]1([N:6]2[CH2:12][C:11]([F:14])([F:13])[C:10](=[O:15])[N:9]([CH3:16])[C:8]3[CH:17]=[N:18][C:19]([NH:21][C:22]4[CH:30]=[CH:29][C:25]([C:26]([OH:28])=O)=[CH:24][C:23]=4[O:31][CH3:32])=[N:20][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1.C(N)[C:34]1[O:38][CH:37]=[CH:36][CH:35]=1.F[P-](F)(F)(F)(F)F.[CH3:47][N:48](C(N(C)C)=[N+]1C2C(=NC=CC=2)[N+]([O-])=N1)C.C(N(C(C)C)CC)(C)C>O.C(=O)(O)[O-].[Na+].CN(C)C=O>[CH:1]1([N:6]2[CH2:12][C:11]([F:13])([F:14])[C:10](=[O:15])[N:9]([CH3:16])[C:8]3[CH:17]=[N:18][C:19]([NH:21][C:22]4[CH:30]=[CH:29][C:25]([C:26]([NH:48][CH2:47][C:36]5[CH:35]=[CH:34][O:38][CH:37]=5)=[O:28])=[CH:24][C:23]=4[O:31][CH3:32])=[N:20][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 3438FurfurylamineHCID 81531DiisopropylethylamineHCID 252529054-(9-Cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[5,4-b][1,4]diazepin-2-ylamino)-3-methoxybenzoic acidHCID 178484293HCID 178484293, compound

Product 1

HCID 44547797HCID 44547797, compoundYield 42.7%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 516892Sodium BicarbonateSolvent

Procedure

A mixture of 0.070 g (0.16 mmole) of 4-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-benzoic acid (I-22), 0.031 g (0.32 mmole) of furfurylamine, 0.071 g (0.19 mmole) of 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium-3-oxide hexafluorophosphate, 0.136 mL (0.78 mmole) of diisopropylethyl amine and 2.0 mL of dimethylformamide was stirred for 18 hours. The mixture was diluted with 10 mL of water plus 2 mL of saturated aqueous sodium bicarbonate and then extracted 3 times with 10 mL of ethyl acetate. The combined extracts were washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography, eluting with hexanes-ethyl acetate (gradient, 80:20-0:100) to give 0.036 g of 4-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-furan-3-ylmethyl-3-methoxy-benzamide (I-34) as a white solid.

Workup

  1. extractionextracted 3 times with 10 mL of ethyl acetate
  2. washThe combined extracts were washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel chromatography
  7. washeluting with hexanes-ethyl acetate (gradient, 80:20-0:100)

Sources & evidence

ORD record
ord-87e8b7ba80ef4536985dbb1f40d2b409
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08003785B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes