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Hydrochloric Acid → (S)-3-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol

HRID 1172942
ノート
印刷プレビュー

反応式

HRID 1172942 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:22]=[CH:21][C:20]([O:23][CH2:24][C@@H:25]4[CH2:29][O:28]C(C)(C)[O:26]4)=[CH:19][CH:18]=3)[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].Cl.[OH-].[Na+]>C1COCC1>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:22]=[CH:21][C:20]([O:23][CH2:24][C@@H:25]([OH:26])[CH2:29][OH:28])=[CH:19][CH:18]=3)[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:10])[CH3:11]
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 313Hydrochloric Acid2 回HCID 14798Sodium HydroxideHCID 58404563(R)-3-(3-chloro-4-isopropoxyphenyl)-5-(4-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)phenyl)-1,2,4-oxadiazole

生成物 1

HCID 53247663(S)-3-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol収率 95.3%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

反応条件

温度
70 °C

実験手順

To a solution of (R)-3-(3-chloro-4-isopropoxyphenyl)-5-(4-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)phenyl)-1,2,4-oxadiazole (0.339 g, 0.762 mmol) in THF (15.24 ml) was added a solution of 1N HCl (1.524 ml, 1.524 mmol). After 48 h additional 1N HCl (2.286 ml, 2.286 mmol) was added and the reaction mixture was heated to 70° C. for about 2 h. After cooling to ambient temperature a solution of 1N NaOH (3.81 ml, 3.81 mmol) was added and the reaction mixture was concentrated in vacuo. The resulting solid was washed with copious amounts of water and dried in vacuo to provide (S)-3-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)phenoxy)propane-1,2-diol (0.294 g, 94%) as a colorless solid. LCMS (Table 1, Method c) Rt=2.73 min, m/z 405 (M+H)+.

後処理

  1. additionwas added
  2. concentrationthe reaction mixture was concentrated in vacuo
  3. washThe resulting solid was washed with copious amounts of water
  4. customdried in vacuo

出典と根拠

ORDレコード
ord-d1cab83a427d40c6a899c880e292b9cb
出典データセット
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07834039B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート