Triphenylphosphine → 7-((2-Chloro-6-methyl-4-pyridyl)methoxy)-4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)-6-methoxyquinazoline

HRID 279572Notes

Reaction equation

HRID 279572 reaction equation
N(C(OCC)=O)=NC(OCC)=O.Cl.[F:14][C:15]1[CH:34]=[C:33]([CH3:35])[C:32]([O:36][C:37]([O:39][CH3:40])=[O:38])=[CH:31][C:16]=1[NH:17][C:18]1[C:27]2[C:22](=[CH:23][C:24]([OH:30])=[C:25]([O:28][CH3:29])[CH:26]=2)[N:21]=[CH:20][N:19]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[Cl:60][C:61]1[CH:66]=[C:65]([CH2:67]O)[CH:64]=[C:63]([CH3:69])[N:62]=1>C(Cl)Cl>[Cl:60][C:61]1[CH:66]=[C:65]([CH2:67][O:30][C:24]2[CH:23]=[C:22]3[C:27]([C:18]([NH:17][C:16]4[CH:31]=[C:32]([O:36][C:37]([O:39][CH3:40])=[O:38])[C:33]([CH3:35])=[CH:34][C:15]=4[F:14])=[N:19][CH:20]=[N:21]3)=[CH:26][C:25]=2[O:28][CH3:29])[CH:64]=[C:63]([CH3:69])[N:62]=1

Participants

6

Reactant 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 22504306(2-Chloro-6-methylpyridin-4-yl)methanolHCID 1356711794-(2-Fluoro-5-methoxycarbonyloxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride

Product 1

HCID 226249947-((2-Chloro-6-methyl-4-pyridyl)methoxy)-4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)-6-methoxyquinazolineYield 78%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Diethyl azodicarboxylate (296 μl, 1.88 mmol) was added dropwise to a solution of 4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride (350 mg, 0.94 mmol), (prepared as described for the starting material in Example 22), triphenylphosphine (492 mg, 1.88 mmol) and 2-chloro-4-hydroxymethyl-6-methylpyridine (178 mg, 1.12 mmol) in methylene chloride (30 ml) and the mixture stirred for 30 minutes at ambient temperature. The solvent was removed by evaporation and the residue was purified by column chromatography eluting with ethyl acetate/methylene chloride (75/25). The purified product was triturated with ether, the solid collected by filtration, washed with ether and dried under vacuum to give 7-((2-chloro-6-methyl-4-pyridyl)methoxy)-4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)-6-methoxyquinazoline (373 mg, 78%).

Workup

  1. custom(prepared
  2. customThe solvent was removed by evaporation
  3. customthe residue was purified by column chromatography
  4. washeluting with ethyl acetate/methylene chloride (75/25)
  5. customThe purified product was triturated with ether
  6. filtrationthe solid collected by filtration
  7. washwashed with ether
  8. customdried under vacuum

Sources & evidence

ORD record
ord-8ba2f61340784b2880065e1b90a20a12
Source dataset
uspto-grants-2002_03
Patent number
US06362336B1

Reaction notes

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