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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 390768
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HRID 390768 반응식
[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
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 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

생성물 1

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

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매
HCID 8028Tetrahydrofuran용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-b6c7a94d41d14816bf7d601fd7b82112
출처 데이터셋
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08383659B2

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