Ammonia → HCID 19856560, 화합물

HRID 2073935노트

반응식

HRID 2073935 반응식
[CH2:1]([N:3]1[CH:8]=[C:7]([Br:9])[N:6]=[C:5](Br)[C:4]1=[O:11])[CH3:2].[NH3:12]>O1CCOCC1>[CH2:1]([N:3]1[CH:8]=[C:7]([Br:9])[N:6]=[C:5]([NH2:12])[C:4]1=[O:11])[CH3:2]

참가 물질

4

반응물 2

HCID 222AmmoniaHCID 19856557HCID 19856557, 화합물

생성물 1

HCID 19856560HCID 19856560, 화합물

시약·촉매·용매 1

HCID 312751,4-Dioxane용매

실험 절차

A mixture of 4.6 g of 1-ethyl-3,5-dibromopyrazin-2-one, 9.6 ml of dioxane and 6.4 ml of 30% ammonia is stirred at 20°-25° C. for 15 hours. The product is filtered off and washed with alcohol and ether to give 1.3 g of 1-ethyl-3-amino-5-bromo-pyrazin-2-one with a melting point of 227°-230° C.

후처리

  1. filtrationThe product is filtered off
  2. washwashed with alcohol and ether

출처 및 근거

ORD 기록
ord-499d0d70d3b54040adafb75963cb4d10
출처 데이터셋
uspto-grants-1990_04
특허 번호
US04920223

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