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Sodium Hydroxide → 2-[3-Chloro-6-[3-[4-(diphenylmethyl) piperazino]propylamino]imidazo[1,2-b]pyridazin-2-yl]-2-methylpropionic acid

HRID 1067538
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HRID 1067538 반응식
Cl.Cl.Cl.[Cl:4][C:5]1[N:9]2[N:10]=[C:11]([NH:14][CH2:15][CH2:16][CH2:17][N:18]3[CH2:23][CH2:22][N:21]([CH:24]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)[C:25]4[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=4)[CH2:20][CH2:19]3)[CH:12]=[CH:13][C:8]2=[N:7][C:6]=1[C:37]([CH3:44])([CH3:43])[C:38]([O:40]CC)=[O:39].[OH-].[Na+]>C(O)C>[Cl:4][C:5]1[N:9]2[N:10]=[C:11]([NH:14][CH2:15][CH2:16][CH2:17][N:18]3[CH2:19][CH2:20][N:21]([CH:24]([C:25]4[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=4)[C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)[CH2:22][CH2:23]3)[CH:12]=[CH:13][C:8]2=[N:7][C:6]=1[C:37]([CH3:44])([CH3:43])[C:38]([OH:40])=[O:39]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 22989265Ethyl 2-[3-chloro-6-[3-[4-(diphenylmethyl)piperazino]propylamino]imidazo[1,2-b]pyridazin-2-yl]-2-methylpropionate trihydrochloride

생성물 1

HCID 229892372-[3-Chloro-6-[3-[4-(diphenylmethyl) piperazino]propylamino]imidazo[1,2-b]pyridazin-2-yl]-2-methylpropionic acid수율 91.3%

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

633 mg of ethyl 2-[3-chloro-6-[3-[4-(diphenylmethyl)piperazino]propylamino]imidazo[1,2-b]pyridazin-2-yl]-2-methylpropionate trihydrochloride was dissolved in 6 ml of ethanol; 2.31 ml of a 2 N aqueous solution of sodium hydroxide was added, followed by thermal refluxing for 1.5 hours. After cooling, the mixture was concentrated under reduced pressure; the residue was diluted with water and washed with ethyl acetate; the water layer was ajusted to pH 5 by the addition of 1 N hydrochloric acid. Methanol was added; the crystal precipitated was collected by filtration, washed with water-ethyl acetate and dried to yield 462 mg of the title compound.

후처리

  1. customrefluxing for 1.5 hours
  2. temperatureAfter cooling
  3. concentrationthe mixture was concentrated under reduced pressure
  4. additionthe residue was diluted with water
  5. washwashed with ethyl acetate
  6. additionthe water layer was ajusted to pH 5 by the addition of 1 N hydrochloric acid
  7. additionMethanol was added
  8. customthe crystal precipitated
  9. filtrationwas collected by filtration
  10. washwashed with water-ethyl acetate
  11. customdried

출처 및 근거

ORD 기록
ord-832078578235487bbf0f8b3262248ca3
출처 데이터셋
uspto-grants-2001_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06248740B1

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