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4-{4-[2-(2-Hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl ester → 4-Hydroxy-1-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pent-2-en-1-one

HRID 2062188
ノート
印刷プレビュー

反応式

HRID 2062188 の反応式
C(OC(=O)[CH:5]=[CH:6][C:7]([N:9]1[CH2:14][CH2:13][N:12]([C:15]2[C:24]3[C:19](=[CH:20][C:21]([CH3:25])=[CH:22][CH:23]=3)[N:18]=[C:17]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[OH:32])[N:16]=2)[CH2:11][CH2:10]1)=[O:8])C.C[Mg]Br>C(OCC)C.O.C(Cl)Cl>[OH:32][C:27]([CH3:28])([CH3:26])[CH:5]=[CH:6][C:7]([N:9]1[CH2:10][CH2:11][N:12]([C:15]2[C:24]3[C:19](=[CH:20][C:21]([CH3:25])=[CH:22][CH:23]=3)[N:18]=[C:17]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[OH:32])[N:16]=2)[CH2:13][CH2:14]1)=[O:8]
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

6

反応物 2

HCID 1364122494-{4-[2-(2-Hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl esterHCID 178418573HCID 178418573、化合物

生成物 1

HCID 1364122504-Hydroxy-1-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pent-2-en-1-one

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 3283Diethyl Ether溶媒
HCID 6344Dichloromethane溶媒

反応条件

温度
0 °C

実験手順

To 4-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl ester (655 mg, 1.47 mmol) in 2 mL of diethyl ether at −20° C. was added methyl magnesium bromide (8.4 mL, 11.7 mmol, 1.4 M THF/Toluene), and the reaction mixture was allowed to warm to 0° C. over 15 minutes The mixture was diluted with 10 mL of water and 15 mL of CH2Cl2. The resulting emulsion was filtered, and the organic layer was separated and dried over Na2SO4. The solvent was removed under reduced pressure to give the alcohol. LC/MS: m/z 433.5 (M+H)+ at 2.56 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

後処理

  1. filtrationThe resulting emulsion was filtered
  2. customthe organic layer was separated
  3. dry with materialdried over Na2SO4
  4. customThe solvent was removed under reduced pressure

出典と根拠

ORDレコード
ord-c651314df6bd4f008bc12e6010d1ec56
出典データセット
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08283354B2

反応ノート

読み込み中…

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