Benzenemethanamine, 3-chloro- → HCID 24948721, compound

HRID 1667463Notes

Reaction equation

HRID 1667463 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].[Cl:14][C:15]1[CH:16]=[C:17]([CH:20]=[CH:21][CH:22]=1)[CH2:18][NH2:19].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:19][CH2:18][C:17]3[CH:20]=[CH:21][CH:22]=[C:15]([Cl:14])[CH:16]=3)[CH:3]=2)[C:8](=[O:12])[NH:7][N:6]=1

Participants

8

Reactant 4

HCID 77802Benzenemethanamine, 3-chloro-HCID 634876Binap, (A+-)-HCID 23676156Sodium t-butoxideHCID 533084876-Bromo-4-chlorophthalazin-1(2H)-one

Product 1

HCID 24948721HCID 24948721, compoundYield 12.2%

Reagents, catalysts & solvents 3

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 8857Ethyl AcetateSolventHCID 31374DimethylacetamideSolvent

Procedure

A mixture 6-bromo-4-chloro-2H-phthalazin-1-one (100 mg, 0.385 mmol), 3-chlorobenzylamine (0.052 mL, 0.424 mmol), Pd2(dba)3 (35 mg, 0.0385 mmol), rac-BINAP (75 mg, 0.120 mmol) and NaOt-Bu (111 mg, 1.155 mmol) in DMA (6 mL) was heated at 80° C. for 1 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-chloro-benzylamino)-2H-phthalazin-1-one (15 mg) as a white solid, 1H (400 MHz, CDCl3) δ: 4.23 (s, 2H), 6.69 (d, 1H), 6.88 (dd, 1H), 7.05 (m, 3H), 7.19 (s, 1H), 7.88 (d, 1H), 11.45 (s, 1H) ppm. m/z (M+1) 320.00.

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-e7543d552a1640ceb350d51722c13b0e
Source dataset
uspto-grants-2011_10
Patent number
US08044041B2

Reaction notes

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