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Triethylamine → 6-{4-Chloro-3-[2-(2-chloro-pyridin-4-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenoxy}-nicotinic acid methyl ester

HRID 1095954
ノート
印刷プレビュー

反応式

HRID 1095954 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([OH:8])=[CH:4][C:3]=1[CH:9]([CH3:23])[C:10]([C:16]1[CH:21]=[CH:20][N:19]=[C:18]([Cl:22])[CH:17]=1)([OH:15])[C:11]([F:14])([F:13])[F:12].[CH3:24][O:25][C:26](=[O:34])[C:27]1[CH:32]=[CH:31][C:30](Cl)=[N:29][CH:28]=1.C(N(CC)CC)C.N12CCN(CC1)CC2>CN(C=O)C.O>[CH3:24][O:25][C:26](=[O:34])[C:27]1[CH:32]=[CH:31][C:30]([O:8][C:5]2[CH:6]=[CH:7][C:2]([Cl:1])=[C:3]([CH:9]([CH3:23])[C:10]([C:16]3[CH:21]=[CH:20][N:19]=[C:18]([Cl:22])[CH:17]=3)([OH:15])[C:11]([F:14])([F:13])[F:12])[CH:4]=2)=[N:29][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 4

HCID 8471TriethylamineHCID 9237DabcoHCID 254249Methyl 6-chloropyridine-3-carboxylateHCID 252546034-Chloro-3-[2-(2-chloro-pyridin-4-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenol

生成物 1

HCID 723105956-{4-Chloro-3-[2-(2-chloro-pyridin-4-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenoxy}-nicotinic acid methyl ester収率 25%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

4-Chloro-3-[2-(2-chloro-pyridin-4-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenol (obtained in Example 130, step 7) was added to a solution of methyl-6-chloro-nicotinate (41 mg, [CAS Reg. No. 73781-91-6]) in DMF (0.6 mL) followed by the addition of triethylamine (0.021 mL). Stirring was continued for 10 minutes at r.t. Then 1,4-diazabicyclo[2.2.2]octane (1.9 mg) was added and the mixture was stirred over night at r.t. The reaction mixture was poured into water, extracted with ethyl acetate and the organic layer was washed with brine, dried over Na2SO4 and evaporated. The residue was purified by flash chromatography (silica gel, ethyl acetate:heptane=3:7) to give the desired compound as a colorless gum (14 mg, 25%). MS (neg. ion, m/e)=499.1 [(M−H)−].

後処理

  1. stirringthe mixture was stirred over night at r.t
  2. extractionextracted with ethyl acetate
  3. washthe organic layer was washed with brine
  4. dry with materialdried over Na2SO4
  5. customevaporated
  6. customThe residue was purified by flash chromatography (silica gel, ethyl acetate:heptane=3:7)

出典と根拠

ORDレコード
ord-c7cb48a8af8e47c9b531816a92a97480
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08138189B2

反応ノート

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