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Potassium Iodide → [Rac]-2-ethoxy-3-{4-[2-(2-methoxy-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2-methyl-phenyl}-propionic acid ethyl ester

HRID 479228
ノート
印刷プレビュー

反応式

HRID 479228 の反応式
[CH2:1]([O:3][C:4](=[O:18])[CH:5]([O:15][CH2:16][CH3:17])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([OH:13])=[CH:9][C:8]=1[CH3:14])[CH3:2].Cl[CH2:20][C:21]1[N:22]=[C:23]([C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=2[O:33][CH3:34])[O:24][C:25]=1[CH3:26].COC1C=CC=CC=1C=O.O=P(Cl)(Cl)Cl.C(=O)([O-])[O-].[Cs+].[Cs+].[I-].[K+]>>[CH2:1]([O:3][C:4](=[O:18])[CH:5]([O:15][CH2:16][CH3:17])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([O:13][CH2:20][C:21]2[N:22]=[C:23]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=3[O:33][CH3:34])[O:24][C:25]=2[CH3:26])=[CH:9][C:8]=1[CH3:14])[CH3:2]
参加物実験手順出典と根拠反応ノート

参加物

7

反応物 6

HCID 4875Potassium IodideHCID 86582-MethoxybenzaldehydeHCID 10796Cesium carbonateHCID 24813Phosphorus oxychlorideHCID 222739184-(Chloromethyl)-2-(2-methoxyphenyl)-5-methyl-1,3-oxazoleHCID 57792490[Rac]-2-ethoxy-3-(4-hydroxy-2-methyl-phenyl)-propionic acid ethyl ester

生成物 1

HCID 69557087
[Rac]-2-ethoxy-3-{4-[2-(2-methoxy-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2-methyl-phenyl}-propionic acid ethyl ester

実験手順

In analogy to the procedure described in example 144 a], [rac]-2-ethoxy-3-(4-hydroxy-2-methyl-phenyl)-propionic acid ethyl ester (example 129 c]) was reacted with 4-chloromethyl-2-(2-methoxy-phenyl)-5-methyl-oxazole (prepared from 2-methoxy-benzaldehyde and diacetyl monoxyme followed by treatment with POCl3 in analogy to the procedures described in examples 21 a] and b]) in the presence of cesium carbonate and potassium iodide to yield [rac]-2-ethoxy-3-{4-[2-(2-methoxy-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2-methyl-phenyl}-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 120 f] to yield [rac]-2-ethoxy-3-{4-[2-(2-methoxy-phenyl)-5-methyl-oxazol-4-ylmethoxy]-2-methyl-phenyl}-propionic acid as white solid.

出典と根拠

ORDレコード
ord-4a719f21fd4348a89879cabd6a00d1da
出典データセット
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06642389B2

反応ノート

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