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Binap, (A+-)- → HCID 58447358, compound

HRID 1667429
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Reaction equation

HRID 1667429 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].[N:14]1([CH2:20][CH2:21][O:22][C:23]2[CH:30]=[CH:29][CH:28]=[CH:27][C:24]=2[CH2:25][NH2:26])[CH2:19][CH2:18][O:17][CH2:16][CH2:15]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:26][CH2:25][C:24]3[CH:27]=[CH:28][CH:29]=[CH:30][C:23]=3[O:22][CH2:21][CH2:20][N:14]3[CH2:19][CH2:18][O:17][CH2:16][CH2:15]3)[CH:3]=2)[C:8](=[O:12])[NH:7][N:6]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 634876Binap, (A+-)-HCID 7537544(2-(2-Morpholinoethoxy)phenyl)methanamineHCID 23676156Sodium t-butoxideHCID 533084876-Bromo-4-chlorophthalazin-1(2H)-one

Product 1

HCID 58447358HCID 58447358, compound

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 (70 mg, 0.27 mmol), 2-(2-morpholin-4-yl-ethoxy)-benzylamine (83 mg, 0.35 mmol), Pd2(dba)3 (25 mg, 0.027 mmol), rac-BINAP (51 mg, 0.081 mmol) and NaOt-Bu (76 mg, 0.81 mmol) in DMA (6 mL) was heated at 80° C. for 1 h. The mixture was allowed to cool, diluted with EtOAc (25 mL) and washed with water (25 mL). The organic layer was dried over anhydrous sodium sulfate and concentrated. Chromatography on silica (EtOAc/hexanes) yielded the title compound. 4-Chloro-6-[2-(2-morpholin-4-yl-ethoxy)-benzylamino]-2H-phthalazin-1-one: 28 mg (25.0%): m/z (M+H)=415. 1H-NMR (DMSO-d6) δ: 12.33 (s, 1H), 7.91 (d, 1H), 7.45 (m, 1H), 7.24 (m, 2H), 7.13 (m, 1H), 7.04 (m, 1H), 6.90 (m, 1H), 6.79 (s, 1H), 4.36 (d, 2H), 4.15 (t, 2H), 3.51 (t, 4H), 2.72 (t, 2H), 2.45 (m, 4H).

Workup

  1. temperatureto cool
  2. washwashed with water (25 mL)
  3. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-c4d4efa0481d4300a78ee60077296f0e
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