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Hydrochloric Acid → 2-[3,5-bis(difluoromethyl)-1H-pyrazol-1-yl]-1-(4-{4-[5-(2-{[3-(trimethylsilyl)prop-2-yn-1-yl]oxy}phenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-yl}piperidin-1-yl)ethanone

HRID 1747248
ノート
印刷プレビュー

反応式

HRID 1747248 の反応式
[F:1][CH:2]([F:37])[C:3]1[CH:7]=[C:6]([CH:8]([F:10])[F:9])[N:5]([CH2:11][C:12]([N:14]2[CH2:19][CH2:18][CH:17]([C:20]3[S:21][CH:22]=[C:23]([C:25]4[CH2:29][CH:28]([C:30]5[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=5[OH:36])[O:27][N:26]=4)[N:24]=3)[CH2:16][CH2:15]2)=[O:13])[N:4]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+].Br[CH2:47][C:48]#[C:49][Si:50]([CH3:53])([CH3:52])[CH3:51].Cl>CN(C=O)C>[F:37][CH:2]([F:1])[C:3]1[CH:7]=[C:6]([CH:8]([F:10])[F:9])[N:5]([CH2:11][C:12]([N:14]2[CH2:15][CH2:16][CH:17]([C:20]3[S:21][CH:22]=[C:23]([C:25]4[CH2:29][CH:28]([C:30]5[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=5[O:36][CH2:47][C:48]#[C:49][Si:50]([CH3:53])([CH3:52])[CH3:51])[O:27][N:26]=4)[N:24]=3)[CH2:18][CH2:19]2)=[O:13])[N:4]=1
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 5

HCID 313Hydrochloric AcidHCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 6425893-Bromo-1-(trimethylsilyl)-1-propyneHCID 665846872-[3,5-bis(difluoromethyl)-1H-pyrazol-1-yl]-1-(4-{4-[5-(2-hydroxyphenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-yl}piperidin-1-yl)ethanone

生成物 1

HCID 56928952
2-[3,5-bis(difluoromethyl)-1H-pyrazol-1-yl]-1-(4-{4-[5-(2-{[3-(trimethylsilyl)prop-2-yn-1-yl]oxy}phenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-yl}piperidin-1-yl)ethanone
収率 4.4%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
80 °C

実験手順

To a solution of 2-[3,5-bis(difluoromethyl)-1H-pyrazol-1-yl]-1-(4-{4-[5-(2-hydroxyphenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-yl}piperidin-1-yl)ethanone (150 mg) and potassium carbonate (43 mg) in DMF (8 ml) are added, at room temperature, potassium iodide (19 mg) and (3-bromoprop-1-yn-1-yl)(trimethyl)silane (64 mg). The reaction mixture is stirred at 80° C. for 9 h. Then dilute hydrochloric acid is added to the mixture, which is extracted with ethyl acetate. The combined organic phases are dried over sodium sulphate and concentrated. Purification by column chromatography gives 2-[3,5-bis(difluoromethyl)-1H-pyrazol-1-yl]-1-(4-{4-[5-(2-{[3-(trimethylsilyl)prop-2-yn-1-yl]oxy}phenyl)-4,5-dihydro-1,2-oxazol-3-yl]-1,3-thiazol-2-yl}piperidin-1-yl)ethanone (8 mg).

後処理

  1. extractionis extracted with ethyl acetate
  2. dry with materialThe combined organic phases are dried over sodium sulphate
  3. concentrationconcentrated
  4. customPurification by column chromatography

出典と根拠

ORDレコード
ord-5564e3de2da84b6d86f2faf94e770dfe
出典データセット
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09150565B2

反応ノート

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