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2,6-Dimethoxypyridine-3-carboxylic acid → acetic acid (1RS,3RS,4RS)-4-{[1-(2,6-dimethoxy-pyridin-3-yl)methanoyl]amino}-3-(3-ethoxy-4-methoxyphenyl)cyclohexyl ester

HRID 1050823
ノート
印刷プレビュー

反応式

HRID 1050823 の反応式
[CH3:1][O:2][C:3]1[N:11]=[C:10]([O:12][CH3:13])[CH:9]=[CH:8][C:4]=1[C:5]([OH:7])=O.Cl.C(N=C=NCCCN(C)C)C.[NH2:26][CH:27]1[CH2:32][CH2:31][CH:30]([O:33][C:34](=[O:36])[CH3:35])[CH2:29][CH:28]1[C:37]1[CH:42]=[CH:41][C:40]([O:43][CH3:44])=[C:39]([O:45][CH2:46][CH3:47])[CH:38]=1>CN(C)C1C=CN=CC=1.ClCCl>[CH3:1][O:2][C:3]1[C:4]([C:5]([NH:26][CH:27]2[CH2:32][CH2:31][CH:30]([O:33][C:34](=[O:36])[CH3:35])[CH2:29][CH:28]2[C:37]2[CH:42]=[CH:41][C:40]([O:43][CH3:44])=[C:39]([O:45][CH2:46][CH3:47])[CH:38]=2)=[O:7])=[CH:8][CH:9]=[C:10]([O:12][CH3:13])[N:11]=1
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 3

HCID 8531782,6-Dimethoxypyridine-3-carboxylic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 67022406acetic acid (1RS,3RS,4RS)-4-amino-3-(3-ethoxy-4-methoxyphenyl)cyclohexyl ester2 回

生成物 1

HCID 67022608acetic acid (1RS,3RS,4RS)-4-{[1-(2,6-dimethoxy-pyridin-3-yl)methanoyl]amino}-3-(3-ethoxy-4-methoxyphenyl)cyclohexyl ester収率 102.6%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6344Dichloromethane溶媒

反応条件

温度
40 °C

実験手順

555 mg of 2,6-dimethoxynicotinic acid and 581 mg of N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride are placed in a flask under nitrogen. 778 mg of acetic acid (1 RS,3RS,4RS)-4-amino-3-(3-ethoxy-4-methoxyphenyl)cyclohexyl ester (compound B1) and 2 mg of 4-dimethylaminopyridine both as solution in dichloromethane are added and the solution stirred for 1 h at 40° C., than 42 h at room temperature. The reaction is quenched with 5 ml of water. After phase separation the organic layer is washed with 2.5 ml of saturated potassium hydrogencarbonate solution. After drying the organic layer with magnesium sulfate the solvent is removed to give 1.227 g of the crude title compound which are used for the following step without further purification.

後処理

  1. customThe reaction is quenched with 5 ml of water
  2. customAfter phase separation the organic layer
  3. washis washed with 2.5 ml of saturated potassium hydrogencarbonate solution
  4. dry with materialAfter drying the organic layer with magnesium sulfate the solvent
  5. customis removed

出典と根拠

ORDレコード
ord-95b4c2c2bfe34160b14de3b4107cb2c1
出典データセット
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09387205B2

反応ノート

読み込み中…

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