Water → 2-Fluoro-6-[(6-trifluoromethyl-pyridin-3-ylmethyl)-amino]-nicotinic acid methyl ester

HRID 1367375노트

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HRID 1367375 반응식
[CH3:1][O:2][C:3](=[O:12])[C:4]1[CH:9]=[CH:8][C:7](F)=[N:6][C:5]=1[F:11].[F:13][C:14]([F:24])([F:23])[C:15]1[N:20]=[CH:19][C:18]([CH2:21][NH2:22])=[CH:17][CH:16]=1.O>CN(C)C=O>[CH3:1][O:2][C:3](=[O:12])[C:4]1[CH:9]=[CH:8][C:7]([NH:22][CH2:21][C:18]2[CH:19]=[N:20][C:15]([C:14]([F:24])([F:13])[F:23])=[CH:16][CH:17]=2)=[N:6][C:5]=1[F:11]

참가 물질

5

반응물 3

HCID 962WaterHCID 27377185-(Aminomethyl)-2-(trifluoromethyl)pyridineHCID 108449402,6-Difluoro-nicotinic acid methyl ester

생성물 1

HCID 576193682-Fluoro-6-[(6-trifluoromethyl-pyridin-3-ylmethyl)-amino]-nicotinic acid methyl ester

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
-40 °C

실험 절차

To 2,6-difluoro-nicotinic acid methyl ester (60, 1.82 g, 0.0105 mol, prepared as described in Example 22, Scheme 24, Step 2) in N,N-dimethylformamide (20.0 mL), under an atmosphere of nitrogen at −40° C., C-(6-trifluoromethyl-pyridin-3-yl)-methylamine (561, 1.00 g, 5.68 mmol) was added. The reaction was stirred at −40° C., then allowed to warm to room temperature for 2 hours. The reaction was poured into water and extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated and purified by silica gel column chromatography eluting with 35% to 100% ethyl acetate in hexane to give a white solid (562, 1.40 g, 74.9). MS (ESI) [M+H+]+=330.1.

후처리

  1. temperatureto warm to room temperature for 2 hours
  2. extractionextracted with ethyl acetate
  3. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated
  6. custompurified by silica gel column chromatography
  7. washeluting with 35% to 100% ethyl acetate in hexane
  8. customto give a white solid (562, 1.40 g, 74.9)

출처 및 근거

ORD 기록
ord-f222602bebda4405b046e0be4cd78e3f
출처 데이터셋
uspto-grants-2011_02
특허 번호
US07893075B2

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