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Triethylamine → 2-cyclopropyl-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile

HRID 17447
ノート
印刷プレビュー

反応式

HRID 17447 の反応式
[CH:1]1([C:4]2[O:5][C:6]3[C:7](=[C:9]([C:21]#[N:22])[C:10]([CH3:20])=[C:11]([C:14]4[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=4)[C:12]=3F)[N:8]=2)[CH2:3][CH2:2]1.C(N(CC)CC)C.[CH3:30][N:31]([CH3:37])[C@H:32]1[CH2:36][CH2:35][NH:34][CH2:33]1.C(OCC)(=O)C>CS(C)=O.[Cl-].[Na+].O>[CH:1]1([C:4]2[O:5][C:6]3[C:7](=[C:9]([C:21]#[N:22])[C:10]([CH3:20])=[C:11]([C:14]4[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=4)[C:12]=3[N:34]3[CH2:35][CH2:36][C@H:32]([N:31]([CH3:37])[CH3:30])[CH2:33]3)[N:8]=2)[CH2:3][CH2:2]1
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 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 7019156(3S)-(-)-3-(Dimethylamino)pyrrolidineHCID 510414282-Cyclopropyl-7-fluoro-5-methyl-6-phenylbenzoxazole-4-carbonitrile

生成物 1

HCID 529480762-cyclopropyl-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile収率 69%

試薬・触媒・溶媒 2

HCID 679Dimethyl Sulfoxide溶媒
HCID 57417360Sodium chloride; water溶媒

実験手順

2-Cyclopropyl-7-fluoro-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile (I-173) (70 mg, 0.24 mmol) was dissolved in dimethyl sulfoxide (2 ml), then at room temperature, triethylamine (50 μl, 0.36 mmol) and (3S)-3-(dimethylamino)pyrrolidine (40 μl, 0.31 mmol) were added. After cooling to room temperature, the reaction liquid was fractionated with ethyl acetate and saturated brine. The aqueous layer was further extracted twice with ethyl acetate. The organic layers were combined, washed with saturated brine, and dried over anhydrous sodium sulfate. The insoluble matter was separated by filtration, then the solvent was evaporated away, and the resulting residue was purified by preparative TLC (eluent, chloroform:methanol=97:3) to obtain a roughly-purified product (64 mg, 69%).

後処理

  1. customthe reaction liquid
  2. extractionThe aqueous layer was further extracted twice with ethyl acetate
  3. washwashed with saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. customThe insoluble matter was separated by filtration
  6. customthe solvent was evaporated away
  7. customthe resulting residue was purified by preparative TLC (eluent, chloroform:methanol=97:3)

出典と根拠

ORDレコード
ord-7af7ee6c29404201a73b5e037a735cdd
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07737166B2

反応ノート

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