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Nicotinic Acid → 3-O-ethyl 5-O-methyl 2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate;pyridine-3-carboxylate

HRID 47598
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HRID 47598 반응식
[CH3:1][CH2:2][O:3][C:4]([C:6]1[CH:11]([C:12]2[C:17]([Cl:18])=[CH:16][CH:15]=[CH:14][CH:13]=2)[C:10]([C:19]([O:21][CH3:22])=[O:20])=[C:9]([CH3:23])[NH:8][C:7]=1[CH2:24][O:25][CH2:26][CH2:27][NH2:28])=[O:5].[C:29]([OH:37])(=[O:36])[C:30]1[CH:35]=[CH:34][CH:33]=[N:32][CH:31]=1>C(O)C>[CH3:1][CH2:2][O:3][C:4]([C:6]1[CH:11]([C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][C:17]=2[Cl:18])[C:10]([C:19]([O:21][CH3:22])=[O:20])=[C:9]([CH3:23])[NH:8][C:7]=1[CH2:24][O:25][CH2:26][CH2:27][NH2:28])=[O:5].[C:29]([O-:37])(=[O:36])[C:30]1[CH:35]=[CH:34][CH:33]=[N:32][CH:31]=1
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참가 물질

4

반응물 2

HCID 938Nicotinic AcidHCID 2162Amlodipine2회

생성물 1

HCID 865903903-O-ethyl 5-O-methyl 2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate;pyridine-3-carboxylate수율 85%

시약·촉매·용매 1

HCID 702Ethanol용매

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온도
0 °C

실험 절차

Amlodipine free base (4.09 g) was added to 40 mL of ethanol. The mixture was heated at reflux and stirred until the solid was completely dissolved. Nicotinic acid (1.23 g) was added to the amlodipine solution and then the mixture was slowly cooled down to 0° C. within one hour. The solids formed were isolated by filtration, washed with ethyl acetate and dried under reduced pressure to yield 4.51 g of amlodipine nicotinate.

후처리

  1. temperatureThe mixture was heated
  2. temperatureat reflux
  3. dissolutionwas completely dissolved
  4. customThe solids formed
  5. customwere isolated by filtration
  6. washwashed with ethyl acetate
  7. customdried under reduced pressure

출처 및 근거

ORD 기록
ord-08d6d8aa25df402e84fb3648a2237202
출처 데이터셋
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06699892B2

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