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

HRID 83297
ノート
印刷プレビュー

反応式

HRID 83297 の反応式
[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
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

5

反応物 3

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 679Dimethyl Sulfoxide溶媒

反応条件

温度
160 °C

実験手順

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]+.

後処理

  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)

出典と根拠

ORDレコード
ord-38e87361133b4831a4806240277a90f2
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846719B2

反応ノート

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