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Diisopropylethylamine → 6-{[3-(3-Fluoro-phenyl)-5-methyl-isoxazol-4-ylmethyl]-amino}-nicotinic acid methyl ester

HRID 83297
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HRID 83297 반응식
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[C:12]([CH2:13][NH2:14])=[C:11]([CH3:15])[O:10][N:9]=2)[CH:5]=[CH:6][CH:7]=1.Cl[C:17]1[CH:26]=[CH:25][C:20]([C:21]([O:23][CH3:24])=[O:22])=[CH:19][N:18]=1.C(N(CC)C(C)C)(C)C>CS(C)=O>[CH3:24][O:23][C:21](=[O:22])[C:20]1[CH:25]=[CH:26][C:17]([NH:14][CH2:13][C:12]2[C:8]([C:4]3[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=3)=[N:9][O:10][C:11]=2[CH3:15])=[N:18][CH:19]=1
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참가 물질

5

반응물 3

HCID 81531DiisopropylethylamineHCID 254249Methyl 6-chloropyridine-3-carboxylateHCID 67157896C-[3-(3-Fluoro-phenyl)-5-methyl-isoxazol-4-yl]-methylamine

생성물 1

HCID 684447826-{[3-(3-Fluoro-phenyl)-5-methyl-isoxazol-4-ylmethyl]-amino}-nicotinic acid methyl ester수율 38%

시약·촉매·용매 1

HCID 679Dimethyl Sulfoxide용매

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온도
160 °C

실험 절차

A mixture of C-[3-(3-fluoro-phenyl)-5-methyl-isoxazol-4-yl]-methylamine (530 mg, 2.6 mmol), methyl 6-chloronicotinate (440 mg, 2.6 mmol), N,N-diisopropyl ethyl amine (880 μL, 5.1 mmol) and DMSO (5.1 mL) was heated in the microwave to 160° C. for 2×0.5 h and 1 h. The mixture was then diluted with ice-water and extracted with ethyl acetate. The combined organic extracts were then washed with brine and dried over sodium sulfate. Concentration and purification by chromatography (SiO2, heptane:ethyl acetate=100:0 to 1:1) afforded the title compound (335 mg, 38%) as a yellow gum. MS: m/e=342.1 [M+H]+.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe combined organic extracts were then washed with brine
  3. dry with materialdried over sodium sulfate
  4. concentrationConcentration and purification by chromatography (SiO2, heptane:ethyl acetate=100:0 to 1:1)

출처 및 근거

ORD 기록
ord-38e87361133b4831a4806240277a90f2
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08846719B2

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