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Potassium Carbonate → 4-{5-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-3-methyl-thiophen-2-yl}-pyridine

HRID 2167002
ノート
印刷プレビュー

反応式

HRID 2167002 の反応式
[N:1]1[CH:6]=[CH:5][C:4](B(O)O)=[CH:3][CH:2]=1.Br[C:11]1[S:15][C:14]([C:16]2[CH2:20][C:19]([C:25]3[CH:30]=[C:29]([Cl:31])[CH:28]=[C:27]([Cl:32])[CH:26]=3)([C:21]([F:24])([F:23])[F:22])[O:18][N:17]=2)=[CH:13][C:12]=1[CH3:33].C([O-])([O-])=O.[K+].[K+]>C1COCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:32][C:27]1[CH:26]=[C:25]([C:19]2([C:21]([F:22])([F:24])[F:23])[O:18][N:17]=[C:16]([C:14]3[S:15][C:11]([C:4]4[CH:5]=[CH:6][N:1]=[CH:2][CH:3]=4)=[C:12]([CH3:33])[CH:13]=3)[CH2:20]2)[CH:30]=[C:29]([Cl:31])[CH:28]=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 3

HCID 11430Potassium CarbonateHCID 2734379(Pyridin-4-yl)boronic acidHCID 866580393-(5-Bromo-4-methyl-thiophen-2-yl)-5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole

生成物 1

HCID 674322914-{5-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-3-methyl-thiophen-2-yl}-pyridine収率 40.2%

試薬・触媒・溶媒 3

HCID 178418397
HCID 178418397、化合物
触媒
HCID 962Water溶媒
HCID 8028Tetrahydrofuran溶媒

実験手順

, Pyridine-4-boronic acid (30 mg) is added to a solution of 3-(5-bromo-4-methyl-thiophen-2-yl)-5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole (100 mg), K2CO3 (90 mg) and Pd(PPh3)4 (20 mg) in a mixture of THF and water (0.4 ml, 9:1). After 22 hours at 70° C., the reaction is quenched with water and extracted three times with ethyl acetate. The organic phases are combined, dried over MgSO4 and concentrated in vacuo. The crude product is purified on a semi-preparative HPLC to yield 4-{5-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-3-methyl-thiophen-2-yl}-pyridine (40 mg) as a colorless oil. MS (HPLC/MS): 457 (MH+). Retention time: 5.20 min.

後処理

  1. customthe reaction is quenched with water
  2. extractionextracted three times with ethyl acetate
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated in vacuo
  5. customThe crude product is purified on a semi-preparative HPLC

出典と根拠

ORDレコード
ord-c7080a28b360404d8610d462a9916649
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09044389B2

反応ノート

読み込み中…

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