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Diisopropylethylamine → 2-{4-[4-(2-tert-Butyl-6-trifluoromethyl-pyrimidin-4-yl)-piperazin-1-yl]butyl}-2H-[1,2,4]triazine-3,5-dione hydrochloride

HRID 453647
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인쇄 미리보기

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HRID 453647 반응식
[Cl:1][CH2:2][CH2:3][CH2:4][CH2:5][N:6]1[C:11](=[O:12])[NH:10][C:9](=[O:13])[CH:8]=[N:7]1.[C:14]([C:18]1[N:23]=[C:22]([N:24]2[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]2)[CH:21]=[C:20]([C:30]([F:33])([F:32])[F:31])[N:19]=1)([CH3:17])([CH3:16])[CH3:15].[Br-].[Na+].C(N(CC)C(C)C)(C)C>CN(C)C=O>[ClH:1].[C:14]([C:18]1[N:23]=[C:22]([N:24]2[CH2:25][CH2:26][N:27]([CH2:2][CH2:3][CH2:4][CH2:5][N:6]3[C:11](=[O:12])[NH:10][C:9](=[O:13])[CH:8]=[N:7]3)[CH2:28][CH2:29]2)[CH:21]=[C:20]([C:30]([F:31])([F:32])[F:33])[N:19]=1)([CH3:17])([CH3:15])[CH3:16]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 253881Sodium BromideHCID 158171752-(4-Chloro-butyl)-2H-[1,2,4]triazine-3,5-dioneHCID 183996102-(tert-Butyl)-4-(piperazin-1-yl)-6-(trifluoromethyl)pyrimidine

생성물 1

HCID 675122702-{4-[4-(2-tert-Butyl-6-trifluoromethyl-pyrimidin-4-yl)-piperazin-1-yl]butyl}-2H-[1,2,4]triazine-3,5-dione hydrochloride

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

13.4 g of 2-(4-chloro-butyl)-2H-[1,2,4]triazine-3,5-dione (65.8 mmol) and 18.97 g of 2-tert-butyl-4-piperazin-1-yl-6-trifluoromethyl-pyrimidine (65.8 mmol) were dissolved in 400 mL of dimethylformamide. After addition of 33.9 g of sodium bromide (329 mmol) and 115 mL of N,N-diisopropylethylamine (658 mmol), the reaction was stirred for 48 h at room temperature. Then the solvent was removed under reduced pressure and the obtained residue was trituated with 400 mL of ethyl acetate and the obtained solution was filtered. The filtrate was evaporated to dryness and the remaining oily residue was treated with 100 mL of diethyl ether, filtered and the filtrate was again evaporated to dryness. The crude product was purified three times via silica gel chromatography (ethyl acetate-methanol 0-100%; dichloromethane-methanol 0-5%; dichloro-methane-methanol 0-2%) to yield the free base of the title compound. This product was transferred into its hydrochloride salt via treatment with HCl/diethyl ether (yield 2.56 g).

후처리

  1. customThen the solvent was removed under reduced pressure
  2. filtrationthe obtained solution was filtered
  3. customThe filtrate was evaporated to dryness
  4. additionthe remaining oily residue was treated with 100 mL of diethyl ether
  5. filtrationfiltered
  6. customthe filtrate was again evaporated to dryness
  7. customThe crude product was purified three times via silica gel chromatography (ethyl acetate-methanol 0-100%; dichloromethane-methanol 0-5%; dichloro-methane-methanol 0-2%)

출처 및 근거

ORD 기록
ord-653ba22409ef4710a04fb53f33b90b3e
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08492540B2

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