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Triethylamine → 4-(1-Benzyl-6-fluoro-2-oxo-1,2,3,4-tetrahydro-quinazolin-5-yl)-piperazine-1-carboxylic acid tert-butyl ester

HRID 901879
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인쇄 미리보기

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HRID 901879 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[C:19]([F:20])=[CH:18][CH:17]=[C:16]([NH:21][CH2:22][C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[C:15]=2[CH2:29][NH2:30])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.Cl[C:39](Cl)([O:41]C(=O)OC(Cl)(Cl)Cl)Cl>ClCCl>[C:1]([O:5][C:6]([N:8]1[CH2:9][CH2:10][N:11]([C:14]2[C:19]([F:20])=[CH:18][CH:17]=[C:16]3[C:15]=2[CH2:29][NH:30][C:39](=[O:41])[N:21]3[CH2:22][C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[CH2:12][CH2:13]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 94429TriphosgeneHCID 588241244-(2-Aminomethyl-3-benzylamino-6-fluoro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 588241354-(1-Benzyl-6-fluoro-2-oxo-1,2,3,4-tetrahydro-quinazolin-5-yl)-piperazine-1-carboxylic acid tert-butyl ester

시약·촉매·용매 1

HCID 6344Dichloromethane용매

반응 조건

온도
0 °C

실험 절차

The crude 4-(2-aminomethyl-3-benzylamino-6-fluoro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester of step 3 was dissolved in 10 mL dichloromethane and cooled to 0° C. Triethylamine (293 μL, 3 eq., 2.1 mmol) and 69 mg (1 eq., 0.233 mmol) triphosgene were added. The reaction mixture was stirred for 10 minutes. The mixture partitioned between ethyl acetate and water, dried over magnesium sulfate and concentrated. Column chromatography, eluting with acetone/dichloromethane provided 141 mg of 4-(1-benzyl-6-fluoro-2-oxo-1,2,3,4-tetrahydro-quinazolin-5-yl)-piperazine-1-carboxylic acid tert-butyl ester.

후처리

  1. customThe mixture partitioned between ethyl acetate and water
  2. dry with materialdried over magnesium sulfate
  3. concentrationconcentrated
  4. washColumn chromatography, eluting with acetone/dichloromethane

출처 및 근거

ORD 기록
ord-5c0cd9eb1ed24a2b82e0cd4ba14154a3
출처 데이터셋
uspto-grants-2008_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07365063B2

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