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Sodium Hydroxide → 3-{[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-benzoylamino]-methyl}-azetidine-1-carboxylic acid tert-butyl ester

HRID 1676629
Notes
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Reaction equation

HRID 1676629 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](O)=[O:27])=[CH:24][C:23]=4[O:31][CH3:32])=[N:20][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1.F[P-](F)(F)(F)(F)F.CN(C(N(C)C)=[N+]1C2C(=NC=CC=2)[N+]([O-])=N1)C.[C:57]([O:61][C:62]([N:64]1[CH2:67][CH:66]([CH2:68][NH2:69])[CH2:65]1)=[O:63])([CH3:60])([CH3:59])[CH3:58].[OH-].[Na+]>O.ClCCl.C(N(CC)CC)C>[C:57]([O:61][C:62]([N:64]1[CH2:67][CH:66]([CH2:68][NH:69][C:26](=[O:27])[C:25]2[CH:29]=[CH:30][C:22]([NH:21][C:19]3[N:18]=[CH:17][C:8]4[N:9]([CH3:16])[C:10](=[O:15])[C:11]([F:13])([F:14])[CH2:12][N:6]([CH:1]5[CH2:5][CH2:4][CH2:3][CH2:2]5)[C:7]=4[N:20]=3)=[C:23]([O:31][CH3:32])[CH:24]=2)[CH2:65]1)=[O:63])([CH3:60])([CH3:59])[CH3:58]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 14798Sodium HydroxideHCID 10679125Tert-butyl 3-(aminomethyl)azetidine-1-carboxylateHCID 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 44549069
3-{[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-benzoylamino]-methyl}-azetidine-1-carboxylic acid tert-butyl ester
Yield 77.3%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6344DichloromethaneSolvent2×HCID 8471TriethylamineSolvent

Procedure

To a mixture of 0.097 g (0.15 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), 0.0634 g (0.17 mmole) of 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium-3-oxide hexafluorophosphate, 3 mL of dichloromethane, 0.13 mL of triethylamine was added followed by 0.0317 g (0.17 mmole) of 3-aminomethyl-azetidine-1-carboxylic acid tert-butyl ester. After 1 hour, 4 mL of dichloromethane, 4 mL of water and 0.2 mL of 1M sodium hydroxide was added. The dichloromethane layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography, eluting with hexanes-ethyl acetate (gradient, 100:0-0:100) to give 0.0714 g of 3-{[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-benzoylamino]-methyl}-azetidine-1-carboxylic acid tert-butyl ester (I-91).

Workup

  1. additionwas added
  2. dry with materialThe dichloromethane layer was dried over anhydrous magnesium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel chromatography
  6. washeluting with hexanes-ethyl acetate (gradient, 100:0-0:100)

Sources & evidence

ORD record
ord-8f31ffc8d1be450aa36437ffbb418bc4
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