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(R)-beta-aminophenethyl alcohol → HCID 54371180、化合物

HRID 844044
ノート
印刷プレビュー

反応式

HRID 844044 の反応式
[N:1]1[CH:6]=[CH:5][CH:4]=[C:3]([O:7][C:8]2[N:16]=[CH:15][CH:14]=[CH:13][C:9]=2[C:10]([OH:12])=O)[CH:2]=1.[OH:17][CH2:18][C@H:19]([NH2:26])[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1>S(Cl)(Cl)=O.N1C=CC=CC=1.C(Cl)Cl>[OH:17][CH2:18][C@H:19]([NH:26][C:10](=[O:12])[C:9]1[CH:13]=[CH:14][CH:15]=[N:16][C:8]=1[O:7][C:3]1[CH:2]=[N:1][CH:6]=[CH:5][CH:4]=1)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1
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 2

HCID 2724025(R)-beta-aminophenethyl alcoholHCID 220328622-(Pyridin-3-yloxy)pyridine-3-carboxylic acid

生成物 1

HCID 54371180HCID 54371180、化合物

試薬・触媒・溶媒 3

HCID 1049Pyridine溶媒HCID 6344Dichloromethane溶媒HCID 24386Thionyl Chloride溶媒

実験手順

A solution of 2-(Pyridin-3-yloxy)-nicotinic acid (0.250 grams, 1.2 mmole) in thionyl chloride (10 ml) was heated to reflux. After 1 hour the reaction mixture was cooled to room temperature and concentrated under reduced pressure. The resulting residue was suspended in tetrahydrofuran (10 ml) and added dropwise to a solution of (R)-2-hydroxy-1-phenyl ethylamine (0.160 grams, 1.2 mmole) in pyridine (5 ml) at 0° C. After 30 minutes the mixture was warmed to room temperature, stirred at room temperature for 1 hour and concentrated to remove pyridine. The crude product was purified by chromatography on silica gel eluting with ethyl acetate to give a yellow oil. HRMS 336.1324; α=+63.9° 12.3 mg/ml in methylene chloride. 1H NMR (400 mhz, CDCl3) d 2.76 (bs, 1H), 3.95-4.02 (m, 2H), 5.31-5.36 (m, 1H), 7.16-7.40 (m, 1H), 8.19 (dd, J=2.1 Hz, 4.8 Hz, 1H), 8.48-8.61 (m, 4H).

後処理

  1. concentrationconcentrated under reduced pressure
  2. temperatureAfter 30 minutes the mixture was warmed to room temperature
  3. concentrationconcentrated
  4. customto remove pyridine
  5. customThe crude product was purified by chromatography on silica gel eluting with ethyl acetate
  6. customto give a yellow oil

出典と根拠

ORDレコード
ord-a0ba32b0576541eab98c9023d7cd4a5d
出典データセット
uspto-grants-2002_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06380218B1

反応ノート

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