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Acetic Acid → 8-(4-Fluorobenzyl)-10-hydroxy-2,4-dimethyl-7,8-dihydropyrazino-[1',2':1,5]pyrrolo[2,3-d]pyridazine-1,9(2H,6H)-dione

HRID 494087
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인쇄 미리보기

반응식

HRID 494087 반응식
[C:1]([C:4]1[N:8]2[CH2:9][CH2:10][N:11]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([F:21])=[CH:17][CH:16]=3)[C:12](=[O:13])[C:7]2=[C:6]([OH:22])[C:5]=1[C:23]([O:25]CC)=O)(=O)[CH3:2].[CH3:28][NH:29][NH2:30].C(O)(=O)C>C(O)C>[F:21][C:18]1[CH:19]=[CH:20][C:15]([CH2:14][N:11]2[CH2:10][CH2:9][N:8]3[C:7](=[C:6]([OH:22])[C:5]4[C:23](=[O:25])[N:29]([CH3:28])[N:30]=[C:1]([CH3:2])[C:4]=43)[C:12]2=[O:13])=[CH:16][CH:17]=1
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참가 물질

5

반응물 3

HCID 176Acetic AcidHCID 6061MethylhydrazineHCID 68865212Ethyl 6-acetyl-2-(4-fluorobenzyl)-8-hydroxy-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate

생성물 1

HCID 546859608-(4-Fluorobenzyl)-10-hydroxy-2,4-dimethyl-7,8-dihydropyrazino-[1',2':1,5]pyrrolo[2,3-d]pyridazine-1,9(2H,6H)-dione

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

A mixture of ethyl 6-acetyl-2-(4-fluorobenzyl)-8-hydroxy-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate (75 mg, 0.2 mmol), methylhydrazine (46 mg, 1 mmol), and a drop of acetic acid in ethanol (4 mL) was heated in a sealed tube at 105° C. overnight. The product mixture was concentrated under vacuum. The residue was recrystallized from methanol to provide the titled product.

후처리

  1. concentrationThe product mixture was concentrated under vacuum
  2. customThe residue was recrystallized from methanol

출처 및 근거

ORD 기록
ord-63a98ae66b25457184dc16c5d23a8d1e
출처 데이터셋
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07538112B2

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