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

HRID 279572
ノート
印刷プレビュー

反応式

HRID 279572 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

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%).

後処理

  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

出典と根拠

ORDレコード
ord-8ba2f61340784b2880065e1b90a20a12
出典データセット
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06362336B1

反応ノート

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