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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (3RS,4RS)-3-(2,4-dichlorophenyl)-N-{[5-(hydroxymethyl)pyrazin-2-yl]methoxy}-2-{(1SR,2SR)-2-[(mesyl)amino]cyclohexyl}-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxamide

HRID 1747089
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HRID 1747089 반응식
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH:9]1[CH:18]([C:19](O)=[O:20])[C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[C:11](=[O:22])[N:10]1[CH:23]1[CH2:28][CH2:27][CH2:26][CH2:25][CH:24]1[NH:29][S:30]([CH3:33])(=[O:32])=[O:31].Cl.Cl.C([O:39][CH2:40][C:41]1[CH:46]=[N:45][C:44]([CH2:47][O:48][NH2:49])=[CH:43][N:42]=1)(=O)C.C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C>O.C(OCC)(=O)C.C(N(CC)CC)C.CN(C=O)C>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH:9]1[CH:18]([C:19]([NH:49][O:48][CH2:47][C:44]2[CH:43]=[N:42][C:41]([CH2:40][OH:39])=[CH:46][N:45]=2)=[O:20])[C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[C:11](=[O:22])[N:10]1[CH:23]1[CH2:28][CH2:27][CH2:26][CH2:25][CH:24]1[NH:29][S:30]([CH3:33])(=[O:32])=[O:31]
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참가 물질

9

반응물 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 68445921(3RS,4RS)-3-(2,4-dichlorophenyl)-2-{(1SR,2SR)-2-[(mesyl)amino]cyclohexyl}-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acidHCID 68449556{5-[(Aminooxy)methyl]pyrazin-2-yl}methyl acetate dihydrochloride

생성물 1

HCID 72303783
(3RS,4RS)-3-(2,4-dichlorophenyl)-N-{[5-(hydroxymethyl)pyrazin-2-yl]methoxy}-2-{(1SR,2SR)-2-[(mesyl)amino]cyclohexyl}-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxamide

시약·촉매·용매 4

HCID 962Water용매HCID 6228Dimethylformamide용매HCID 8471Triethylamine용매HCID 8857Ethyl Acetate용매

실험 절차

To a mixture of 300 mg of (3RS,4RS)-3-(2,4-dichlorophenyl)-2-{(1SR,2SR)-2-[(mesyl)amino]cyclohexyl}-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acid and 6 ml of DMF were added {5-[(aminooxy)methyl]pyrazin-2-yl}methyl acetate dihydrochloride, 0.16 ml of triethylamine, 119 mg of HOBt, and 200 mg of WSC, followed by stirring at room temperature for 3 hours. Ethyl acetate and water were added thereto to carry out a liquid separation operation. The organic layer was washed with a saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over anhydrous magnesium sulfate, and then evaporated under reduced pressure. To the residue were added 4.5 ml of methanol and 2.4 ml of a 1 M aqueous sodium hydroxide solution, followed by stirring at 0° C. for 2 hours, and then 1 M hydrochloric acid was added thereto for neutralization. Chloroform was added thereto for extraction, and the organic layer was dried over anhydrous magnesium sulfate and then concentrated under reduced pressure. The residue was purified by silica gel chromatography (eluent:chloroform-methanol) and then recrystallized from ethyl acetate to obtain 73 mg of (3RS,4RS)-3-(2,4-dichlorophenyl)-N-{[5-(hydroxymethyl)pyrazin-2-yl]methoxy}-2-{(1SR,2SR)-2-[(mesyl)amino]cyclohexyl}-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxamide as a colorless crystal.

후처리

  1. customa liquid separation operation
  2. washThe organic layer was washed with a saturated aqueous sodium hydrogen carbonate solution and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customevaporated under reduced pressure
  5. additionTo the residue were added 4.5 ml of methanol and 2.4 ml of a 1 M aqueous sodium hydroxide solution
  6. stirringby stirring at 0° C. for 2 hours
  7. addition1 M hydrochloric acid was added
  8. additionChloroform was added
  9. extractionfor extraction
  10. dry with materialthe organic layer was dried over anhydrous magnesium sulfate
  11. concentrationconcentrated under reduced pressure
  12. customThe residue was purified by silica gel chromatography (eluent:chloroform-methanol)
  13. customrecrystallized from ethyl acetate

출처 및 근거

ORD 기록
ord-4f84b5ce6e6f4692bf9377a025f477ef
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09150541B2

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