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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
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HRID 1050823 반응식
[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
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참가 물질

6

반응물 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 ester2회

생성물 1

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

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 6344Dichloromethane용매

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온도
40 °C

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-95b4c2c2bfe34160b14de3b4107cb2c1
출처 데이터셋
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09387205B2

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