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Water → 6-[5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-nicotinic acid methyl ester

HRID 402355
ノート
印刷プレビュー

反応式

HRID 402355 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:12]=[N:11][N:10]([CH3:13])[C:9]=2[CH2:14][OH:15])=[CH:4][CH:3]=1.[H-].[Na+].Cl[C:19]1[CH:28]=[CH:27][C:22]([C:23]([O:25][CH3:26])=[O:24])=[CH:21][N:20]=1.O>C1COCC1>[CH3:26][O:25][C:23](=[O:24])[C:22]1[CH:27]=[CH:28][C:19]([O:15][CH2:14][C:9]2[N:10]([CH3:13])[N:11]=[N:12][C:8]=2[C:5]2[CH:4]=[CH:3][C:2]([F:1])=[CH:7][CH:6]=2)=[N:20][CH:21]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 24758Sodium hydrideHCID 254249Methyl 6-chloropyridine-3-carboxylateHCID 67498408[5-(4-Fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-yl]-methanol

生成物 1

HCID 573341996-[5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-nicotinic acid methyl ester収率 72%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒
3 回

実験手順

A solution of [5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-yl]-methanol (380 mg, 2.02 mmol) in THF (5.5 mL) was added dropwise at 0° C. to a suspension of NaH (55% in oil, 88 mg, 2.02 mmol) in THF (2.7 mL) and the reaction mixture was then stirred at room temperature for 30 min. Then a solution of methyl 6-chloronicotinate (346 mg, 2.02 mmol) in THF (5.5 mL) was added dropwise at 0° C. and the reaction mixture stirred at room temperature for 16 h. The mixture was then poured into water extracted with ethyl acetate and the combined organic extracts washed with brine, dried over sodium sulphate, filtered and evaporated. Purification by chromatography (silica, 0 to 100% ethyl acetate in heptane) afforded the title compound (449 mg, 72%) as a white solid. MS: m/e=343.1 [M+H]+.

後処理

  1. stirringthe reaction mixture stirred at room temperature for 16 h
  2. extractionextracted with ethyl acetate
  3. washthe combined organic extracts washed with brine
  4. dry with materialdried over sodium sulphate
  5. filtrationfiltered
  6. customevaporated
  7. customPurification by chromatography (silica, 0 to 100% ethyl acetate in heptane)

出典と根拠

ORDレコード
ord-af81da30c83943dc9f1518efbbf6a3d1
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08742097B2

反応ノート

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