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1-Hydroxybenzotriazole → Tert-butyl 4-(2-fluoro-3-(trifluoromethyl)benzoyl)piperazine-1-carboxylate

HRID 1725509
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HRID 1725509 반응식
[C:1]([N:8]1[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1.[F:36][C:37]1[C:45]([C:46]([F:49])([F:48])[F:47])=[CH:44][CH:43]=[CH:42][C:38]=1[C:39](O)=[O:40]>C(Cl)(Cl)Cl>[F:36][C:37]1[C:45]([C:46]([F:47])([F:48])[F:49])=[CH:44][CH:43]=[CH:42][C:38]=1[C:39]([N:11]1[CH2:10][CH2:9][N:8]([C:1]([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2])[CH2:13][CH2:12]1)=[O:40]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 143452tert-Butyl piperazine-1-carboxylateHCID 5180022-Fluoro-3-(trifluoromethyl)benzoic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride

생성물 1

HCID 57562617Tert-butyl 4-(2-fluoro-3-(trifluoromethyl)benzoyl)piperazine-1-carboxylate

시약·촉매·용매 1

HCID 6212
Chloroform
용매
2회

실험 절차

A mixture of 3.66 g of 1-Boc-piperazine, 4.53 g of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 3.61 g of 1-hydroxybenzotriazole, 4.50 g of 2-fluoro-3-(trifluoromethyl)benzoic acid and 40 ml of chloroform was stirred at room temperature for 4 hours. The reaction mixture was diluted with chloroform and then was washed with water and brine. The resulting organic layer was dried over magnesium sulfate and filtered, and the filtrate was concentrated in vacuo. The resulting residue was purified by a silica gel column chromatography (eluent: hexane/ethyl acetate=4/1 to 2/1) to give the title compound.

후처리

  1. washwas washed with water and brine
  2. dry with materialThe resulting organic layer was dried over magnesium sulfate
  3. filtrationfiltered
  4. concentrationthe filtrate was concentrated in vacuo
  5. customThe resulting residue was purified by a silica gel column chromatography (eluent: hexane/ethyl acetate=4/1 to 2/1)

출처 및 근거

ORD 기록
ord-0f3a2ff9bc9f4c6badb0ea768ea9dbe9
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07491720B2

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