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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Triethylamine → 5-{(2-Fluoro-4,5-dimethoxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyridazin-3-yl-2,4-dihydro-[1,2,4]triazol-3-one

HRID 2079204
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HRID 2079204 반응식
CO[C:3](=[O:33])[N:4]=[C:5](SC)[C:6]([C:20]1[CH:25]=[C:24]([O:26][CH3:27])[C:23]([O:28][CH3:29])=[CH:22][C:21]=1[F:30])=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1.Cl.[NH:35]([C:37]1[N:38]=[N:39][CH:40]=[CH:41][CH:42]=1)[NH2:36].C(N(CC)CC)C>CN(C=O)C>[F:30][C:21]1[CH:22]=[C:23]([O:28][CH3:29])[C:24]([O:26][CH3:27])=[CH:25][C:20]=1[CH:6]([NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1)[C:5]1[NH:4][C:3](=[O:33])[N:35]([C:37]2[N:38]=[N:39][CH:40]=[CH:41][CH:42]=2)[N:36]=1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 214559923-Hydrazinylpyridazine hydrochlorideHCID 72312823[2-(2-Fluoro-4,5-dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester

생성물 1

HCID 1363666045-{(2-Fluoro-4,5-dimethoxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyridazin-3-yl-2,4-dihydro-[1,2,4]triazol-3-one수율 57.3%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of 98 mg of [2-(2-fluoro-4,5-dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester (Example (1d)) in 3 ml of DMF there were added 30.5 mg of 3-hydrazinopyridazine hydrochloride [CAS No. 117043-87-5] and 29 μl of triethylamine, and the mixture was stirred at 85° C. for 18 hours under a nitrogen atmosphere. The reaction mixture was concentrated, and the residue was dissolved in 3 ml of a methanol:THF=1:1 mixed solvent. After adding 44 μl of acetic acid and 65 mg of sodium cyanotrihydroborate to the reaction mixture, it was stirred at room temperature for 6 hours. After filtering the reaction mixture, it was purified by reverse-phase high performance liquid chromatography (acetonitrile-water, 0.1% trifluoroacetic acid) to give 5-{(2-fluoro-4,5-dimethoxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]methyl}-2-pyridazin-3-yl-2,4-dihydro-[1,2,4]triazol-3-one (60 mg).

후처리

  1. concentrationThe reaction mixture was concentrated
  2. dissolutionthe residue was dissolved in 3 ml of a methanol
  3. additionAfter adding 44 μl of acetic acid and 65 mg of sodium cyanotrihydroborate to the reaction mixture, it
  4. filtrationAfter filtering the reaction mixture, it
  5. customwas purified by reverse-phase high performance liquid chromatography (acetonitrile-water, 0.1% trifluoroacetic acid)

출처 및 근거

ORD 기록
ord-7699f4bb217e476691d672be68d77008
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07928228B2

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