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Hydrochloric Acid → 4-Carbamoyl-imidazo-[1,2-a]-quinoxaline-2-carboxylic acid

HRID 126775
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인쇄 미리보기

반응식

HRID 126775 반응식
[C:1]([C:4]1[C:5]2[N:6]([CH:14]=[C:15]([C:17]([O:19]CC)=[O:18])[N:16]=2)[C:7]2[C:12]([N:13]=1)=[CH:11][CH:10]=[CH:9][CH:8]=2)(=[O:3])[NH2:2].[OH-].[Na+].[Na].Cl>C(O)C.O>[C:1]([C:4]1[C:5]2[N:6]([CH:14]=[C:15]([C:17]([OH:19])=[O:18])[N:16]=2)[C:7]2[C:12]([N:13]=1)=[CH:11][CH:10]=[CH:9][CH:8]=2)(=[O:3])[NH2:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 5360545SodiumHCID 14067521Ethyl 4-carbamoyl-imidazo-[1,2-a]-quinoxaline-2-carboxylate

생성물 1

HCID 140675224-Carbamoyl-imidazo-[1,2-a]-quinoxaline-2-carboxylic acid수율 98.6%

시약·촉매·용매 2

HCID 702Ethanol
이 페이지에서참가 물질실험 절차후처리출처 및 근거반응 노트
용매
HCID 962Water용매

실험 절차

A suspension of 0.315 g of the product of Step B, 35 ml of water, 12 ml of ethanol and 6 ml of 1 N sodium hydroxide was stirred overnight to obtain a suspension of the white sodium salt which was acidified with concentrated hydrochloric acid. The mixture was filtered to obtain 0.28 g of 4-carbamoyl-imidazo-[1,2-a]-quinoxaline-2-carboxylic acid in the form of a buff crystalline solid melting at 298°-300° C.

후처리

  1. customto obtain
  2. filtrationThe mixture was filtered

출처 및 근거

ORD 기록
ord-18f30057d9944392968299950e96f77e
출처 데이터셋
uspto-grants-1981_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04254123

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