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Binap, (A+-)- → HCID 24948529, compound

HRID 1667477
Notes
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Reaction equation

HRID 1667477 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[NH:7][N:6]=[C:5]2[Cl:13].[NH2:14][CH2:15][C:16]1[CH:17]=[C:18]([N:22]([CH3:24])[CH3:23])[CH:19]=[CH:20][CH:21]=1.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.CC([O-])(C)C.[Na+]>CC(N(C)C)=O.CCOC(C)=O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[Cl:13][C:5]1[C:4]2[C:9](=[CH:10][CH:11]=[C:2]([NH:14][CH2:15][C:16]3[CH:21]=[CH:20][CH:19]=[C:18]([N:22]([CH3:24])[CH3:23])[CH:17]=3)[CH:3]=2)[C:8](=[O:12])[NH:7][N:6]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 634876Binap, (A+-)-HCID 27609383-(aminomethyl)-N,N-dimethylanilineHCID 23676156Sodium t-butoxideHCID 533084876-Bromo-4-chlorophthalazin-1(2H)-one

Product 1

HCID 24948529HCID 24948529, compoundYield 14.7%

Reagents, catalysts & solvents 3

HCID 9811564
Bis(dibenzylideneacetone)palladium
Catalyst
HCID 8857Ethyl AcetateSolvent
HCID 31374DimethylacetamideSolvent

Procedure

A mixture 6-bromo-4-chloro-2H-phthalazin-1-one (150 mg, 0.578 mmol), N-[3-(aminomethyl)phenyl]-N,N-dimethylamine (102 mg, 0.679 mmol), Pd2(dba)3 (53 mg, 0.0578 mmol), rac-BINAP (112 mg, 0.180 mmol) and NaOtBu (139 mg, 1.445 mmol) in DMA (6 mL) was heated at 85° C. for 1.5 h. The mixture was allowed to cool, diluted with EtOAc and washed with water. The organic layer was washed with sat.aq. NaHCO3, brine and dried (Na2SO4). Chromatography on silica (EtOAc/hexanes) afforded 4-chloro-6-(3-dimethylamino-benzylamino)-2H-phthalazin-1-one (28 mg) as a beige solid,

Workup

  1. temperatureto cool
  2. washwashed with water
  3. washThe organic layer was washed with sat.aq
  4. dry with materialNaHCO3, brine and dried (Na2SO4)

Sources & evidence

ORD record
ord-2353784e224c47458adaa6c5001dd39d
Source dataset
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08044041B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes