Iodine → 4-(4-chloro-phenyl)-5-iodomethyl-7,8-dimethoxy-5,6-dihydro-4H-1,3,4-triaza-phenalene

HRID 1351200Notes

Reaction equation

HRID 1351200 reaction equation
[CH2:1]([C:4]1[C:13]([O:14][CH3:15])=[C:12]([O:16][CH3:17])[CH:11]=[C:10]2[C:5]=1[C:6]([NH:18][C:19]1[CH:24]=[CH:23][C:22]([Cl:25])=[CH:21][CH:20]=1)=[N:7][CH:8]=[N:9]2)[CH:2]=[CH2:3].[I:26]I>ClCCl.C(Cl)(Cl)Cl>[Cl:25][C:22]1[CH:21]=[CH:20][C:19]([N:18]2[CH:2]([CH2:3][I:26])[CH2:1][C:4]3[C:5]4[C:6]2=[N:7][CH:8]=[N:9][C:10]=4[CH:11]=[C:12]([O:16][CH3:17])[C:13]=3[O:14][CH3:15])=[CH:24][CH:23]=1

Participants

5

Reactant 2

HCID 807IodineHCID 11245215(5-Allyl-6,7-dimethoxy-quinazolin-4-yl)-(4-chloro-phenyl)-amine

Product 1

HCID 112370144-(4-chloro-phenyl)-5-iodomethyl-7,8-dimethoxy-5,6-dihydro-4H-1,3,4-triaza-phenalene

Reagents, catalysts & solvents 2

HCID 6212ChloroformSolventHCID 6344DichloromethaneSolvent

Procedure

To a solution of (5-allyl-6,7-dimethoxy-quinazolin-4-yl)-(4-chloro-phenyl)-amine (0.3 g, 0.85 mmol) (from Example 16, Step E, supra) in dichloromethane (50 mL) was added I2 (0.53 g, 4.2 mmol). The reaction mixture was stirred at room temperature for 3 hours. The mixture was diluted with chloroform (100 mL), and washed with a saturated aqueous Na2SO3 solution. The organic layer was separated, dried over Na2SO4, and concentrated. The residue was purified by chromatography using EtOAc/CH2Cl2/Et3N (2:1:0.01) as eluent to give the desired 4-(4-chloro-phenyl)-5-iodomethyl-7,8-dimethoxy-5,6-dihydro-4H-1,3,4-triaza-phenalene as a white solid. (Yield 0.15 g, 37%).

Workup

  1. washwashed with a saturated aqueous Na2SO3 solution
  2. customThe organic layer was separated
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated
  5. customThe residue was purified by chromatography

Sources & evidence

ORD record
ord-c44918406e1d415787dc1aec6a98e6cf
Source dataset
uspto-grants-2007_05
Patent number
US07217717B2

Reaction notes

Loading…