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Toluene → 1-[9-Chloro-1-(2,4-dichlorophenyl)-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-6-yl]propyl 2-methyl-2-(methylsulfonyl)propanoate

HRID 1399308
ノート
印刷プレビュー

反応式

HRID 1399308 の反応式
[Cl:1][C:2]1[C:10]2[N:9]=[C:8]3[N:11]([C:15]4[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=4[Cl:22])[CH2:12][CH2:13][CH2:14][N:7]3[C:6]=2[C:5]([CH:23]([OH:26])[CH2:24][CH3:25])=[CH:4][CH:3]=1.[CH3:27][C:28]([S:33]([CH3:36])(=[O:35])=[O:34])([CH3:32])[C:29](O)=[O:30].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CCOC(/N=N/C(OCC)=O)=O.C1(C)C=CC=CC=1>O1CCCC1>[CH3:27][C:28]([S:33]([CH3:36])(=[O:35])=[O:34])([CH3:32])[C:29]([O:26][CH:23]([C:5]1[C:6]2[N:7]3[CH2:14][CH2:13][CH2:12][N:11]([C:15]4[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=4[Cl:22])[C:8]3=[N:9][C:10]=2[C:2]([Cl:1])=[CH:3][CH:4]=1)[CH2:24][CH3:25])=[O:30]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 5

HCID 1140TolueneHCID 11776TriphenylphosphineHCID 2132402-Methanesulfonyl-2-methylpropanoic acidHCID 5462977Diethyl azodicarboxylateHCID 44156374HCID 44156374、化合物

生成物 1

HCID 577858351-[9-Chloro-1-(2,4-dichlorophenyl)-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-6-yl]propyl 2-methyl-2-(methylsulfonyl)propanoate
収率 61.3%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of 1-[9-chloro-1-(2,4-dichlorophenyl)-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-6-yl]propan-1-ol (100 mg, 0.243 mmol), 2-methyl-2-(methylsulfonyl)propanoic acid (65.6 mg, 0.395 mmol) and triphenylphosphine (104 mg, 0.397 mmol) in tetrahydrofuran (5.0 mL) was added a solution of diethylazodicarboxylate in toluene (2.2 M, 0.18 mL, 0.396 mmol) at 0° C. After stirring at room temperature for 20 hr, the mixture was concentrated in vacuo. The residue was purified by flash chromatography on silica gel eluting with a 25-60% ethyl acetate/n-hexane gradient mixture to give the title compound (83.0 mg, 0.149 mmol, 61%) as a colorless amorphous.

後処理

  1. concentrationthe mixture was concentrated in vacuo
  2. customThe residue was purified by flash chromatography on silica gel eluting with a 25-60% ethyl acetate/n-hexane gradient mixture

出典と根拠

ORDレコード
ord-8218590ec5bd428dad6d9cf92097fc72
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08901141B2

反応ノート

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