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Ethylamine → 2-[(4S)-6-(4-Chlorophenyl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide

HRID 570161
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HRID 570161 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:14]3[CH:15]=[C:16]([O:19][CH3:20])[CH:17]=[CH:18][C:13]=3[N:12]3[C:21]([CH3:24])=[N:22][N:23]=[C:11]3[C@H:10]([CH2:25][C:26](O)=[O:27])[N:9]=2)=[CH:4][CH:3]=1.[CH3:29][CH2:30][N:31](C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N)C>C1COCC1>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:14]3[CH:15]=[C:16]([O:19][CH3:20])[CH:17]=[CH:18][C:13]=3[N:12]3[C:21]([CH3:24])=[N:22][N:23]=[C:11]3[C@H:10]([CH2:25][C:26]([NH:31][CH2:30][CH3:29])=[O:27])[N:9]=2)=[CH:4][CH:3]=1
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참가 물질

6

반응물 4

HCID 6341EthylamineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67173666I-BET762 carboxylic acid

생성물 1

HCID 469434322-[(4S)-6-(4-Chlorophenyl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide
수율 47%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of [(4S)-6-(4-Chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetic acid (for a preparation see Intermediate 1) (16.0 g, 40 mmol) in THF at RT was added DIEA (14 mL, 80 mmol) followed by HATU (30.4 g, 80 mmol). The reaction mixture was stirred for 3 h at this temperature and ethylamine (40 mL, 2M in THF, 80 mmol) was added. The mixture was stirred for 48 h before being concentrated under reduced pressure. The crude material was suspended in water and extracted with DCM. The organic layer was dried over Na2SO4, filtered and concentrated in vacuo. The crude solid was purified by chromatography on SiO2 (DCM/MeOH 95/5) and the resulting solid recrystallised in MeCN. The solid was then dissolved in DCM and precipitated with i-Pr2O to give the title compound (8 g, 47% yield) as a white solid.

후처리

  1. customat RT
  2. additionwas added
  3. concentrationbefore being concentrated under reduced pressure
  4. extractionextracted with DCM
  5. dry with materialThe organic layer was dried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe crude solid was purified by chromatography on SiO2 (DCM/MeOH 95/5)
  9. customthe resulting solid recrystallised in MeCN
  10. dissolutionThe solid was then dissolved in DCM
  11. customprecipitated with i-Pr2O

출처 및 근거

ORD 기록
ord-1a25e95a9b6d4237adc3a6781590fbc6
출처 데이터셋
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09023842B2

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