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Hydrochloric Acid → Ammonium Hydroxide

HRID 1661563
ノート
印刷プレビュー

反応式

HRID 1661563 の反応式
[I-].[Li+].C([O:5][C:6](=[O:33])[C:7]1[C:12]([CH3:13])=[CH:11][C:10]([CH2:14][N:15]2[C:23]3[C:18](=[CH:19][C:20]([Cl:24])=[CH:21][CH:22]=3)[C:17]([CH3:25])=[C:16]2[C:26]2[CH:27]=[N:28][CH:29]=[CH:30][CH:31]=2)=[CH:9][C:8]=1[CH3:32])C.Cl>N1C(C)=CC=CC=1C>[NH4+:15].[OH-:5].[CH3:13][C:12]1[CH:11]=[C:10]([CH2:14][N:15]2[C:23]3[C:18](=[CH:19][C:20]([Cl:24])=[CH:21][CH:22]=3)[C:17]([CH3:25])=[C:16]2[C:26]2[CH:27]=[N:28][CH:29]=[CH:30][CH:31]=2)[CH:9]=[C:8]([CH3:32])[C:7]=1[C:6]([OH:33])=[O:5]
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 3

HCID 313Hydrochloric AcidHCID 66321Lithium iodideHCID 582156242,6-Dimethyl-4-(5-chloro-3-methyl-2-pyridin-3-yl-indol-1-ylmethyl)-benzoic acid ethyl ester

生成物 2

HCID 14923Ammonium Hydroxide収率 0.1%HCID 582155892,6-Dimethyl-4-(5-chloro-3-methyl-2-pyridin-3-yl-indol-1-ylmethyl)-benzoic acid

試薬・触媒・溶媒 1

HCID 7937
2,6-Lutidine
溶媒

実験手順

To a refluxing solution of lithium iodide (0.218 g, 1.626 mmol) in 2,6-lutidine (5 mL) is added 2,6-dimethyl-4-(5-chloro-3-methyl-2-pyridin-3-yl-indol-1-ylmethyl)-benzoic acid ethyl ester (0.176 g, 0.407 mmol). The reaction is refluxed overnight. It is cooled to room temperature, acidified to pH 1 using 1M aqueous HCl solution and extracted with dichloromethane. The organic layer is dried over sodium sulfate and concentrated in vacuo. The residue is purified by reverse phase HPLC with Xbridge Shield RP18 column and a 0.1% aqueous NH4OH in acetonitrile gradient to afford 2,6-dimethyl-4-(5-chloro-3-methyl-2-pyridin-3-yl-indol-1-ylmethyl)-benzoic acid as a solid. 1H NMR (400 MHz, MeOD) δ ppm 2.22 (s, 6H), 2.28 (s, 3H), 5.22 (s, 2H), 6.49 (s, 2H), 7.15 (dd, J=8.6, 2.0 Hz, 1H), 7.30 (d, J=8.8 Hz, 1H), 7.51-7.57 (m, 1H), 7.61 (d, J=1.8 Hz, 1H), 7.81 (dt, J=8.1, 2.0, 1.8 Hz, 1H), 8.58 (d, J=1.3 Hz, 1H), 8.61 (dd, J=4.9, 1.6 Hz, 1H). HRMS (ESI) m/z 405.1379 [(M+H)+ Calcd for C24H21ClN2O2: 405.1370].

後処理

  1. temperatureThe reaction is refluxed overnight
  2. extractionextracted with dichloromethane
  3. dry with materialThe organic layer is dried over sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue is purified by reverse phase HPLC with Xbridge Shield RP18 column

出典と根拠

ORDレコード
ord-18dcbee143d64fdebbe1874f17a368a9
出典データセット
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08030334B2

反応ノート

読み込み中…

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