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Hydrochloric Acid → 4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4,4]nonan-1-yl)-2-fluoro-N-methylbenzamide

HRID 240815
ノート
印刷プレビュー

反応式

HRID 240815 の反応式
[CH3:1][NH:2][C:3](=[O:19])[C:4]1[CH:9]=[CH:8][C:7]([NH:10][C:11]2([C:16]#N)[CH2:15][CH2:14][CH2:13][CH2:12]2)=[CH:6][C:5]=1[F:18].[N:20]([C:23]1[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[C:25]([C:31]([F:34])([F:33])[F:32])[CH:24]=1)=[C:21]=[S:22].C[OH:36].Cl>CN(C=O)C.O>[C:27]([C:26]1[CH:29]=[CH:30][C:23]([N:20]2[C:16](=[O:36])[C:11]3([CH2:15][CH2:14][CH2:13][CH2:12]3)[N:10]([C:7]3[CH:8]=[CH:9][C:4]([C:3]([NH:2][CH3:1])=[O:19])=[C:5]([F:18])[CH:6]=3)[C:21]2=[S:22])=[CH:24][C:25]=1[C:31]([F:32])([F:34])[F:33])#[N:28]
参加物反応条件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 313Hydrochloric AcidHCID 887MethanolHCID 116155404-Isothiocyanato-2-(trifluoromethyl)benzonitrileHCID 59296600N-Methyl 2-fluoro-4-(1-cyanocyclopentyl)aminobenzamide2 回

生成物 1

HCID 159516244-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4,4]nonan-1-yl)-2-fluoro-N-methylbenzamide

試薬・触媒・溶媒 2

HCID 962Water溶媒
HCID 6228Dimethylformamide溶媒

反応条件

温度
130 °C

実験手順

A mixture of N-Methyl 2-fluoro-4-(1-cyanocyclopentyl)aminobenzamide (Formula 43) (57 mg, 0.22 mmol) and 4-isothiocyanato-2-trifluoromethyl benzonitrile (0.15 g, 0.65 mmol) in DMF (3 mL) was heated under microwave irradiation (open vessel) at 130° C. for 12 hours. To this mixture was added methanol (20 mL) and aq. 1 N HCl (5 mL). The second mixture was refluxed for 1.5 h. After being cooled to room temperature, the reaction mixture was poured into cold water (50 mL) and extracted with ethyl acetate (50 mL). The organic layer was dried over MgSO4, concentrated and the residue was purified with silica gel column chromatography (dichloromethane:acetone, 95:5) to give 4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-4-oxo-2-thioxo-1,3-diazaspiro[4.4]nonan-1-yl)-2-fluoro-N-methylbenzamide, NC55 (Formula 44) (8 mg, 7%) as a pale yellowish solid. 1H NMR δ 8.28 (dd, 1H, J=8.4, 8.4 Hz), 7.98 (d, 1H, J=8.3 Hz), 7.96 (d, 1H, J=1.8 Hz), 7.84 (dd, 1H, J=8.3, 1.8 Hz), 7.27 (dd, 1H, J=8.4, 1.8 Hz), 7.17 (dd, 1H, J=11.7, 1.8 Hz), 6.67-6.77 (m, 1H), 3.07 (d, 3H, J=4.3 Hz), 2.32-2.41 (m, 2H), 2.13-2.21 (m, 2H), 1.85-1.96 (m, 2H), 1.49-1.59 (m, 2H).

後処理

  1. temperatureThe second mixture was refluxed for 1.5 h
  2. temperatureAfter being cooled to room temperature
  3. extractionextracted with ethyl acetate (50 mL)
  4. dry with materialThe organic layer was dried over MgSO4
  5. concentrationconcentrated
  6. customthe residue was purified with silica gel column chromatography (dichloromethane:acetone, 95:5)

出典と根拠

ORDレコード
ord-fbe13d466eaa4b47895af5a34a579515
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08648105B2

反応ノート

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