반응식
[NH2:1][C:2]1[N:7]=[C:6]([NH2:8])[CH:5]=[C:4]([Cl:9])[N:3]=1.C([OH:12])C.ClC1C=CC=C(C(OO)=O)C=1.[OH-].[Na+]>O>[NH2:1][C:2]1[N+:7]([O-:12])=[C:6]([NH2:8])[CH:5]=[C:4]([Cl:9])[N:3]=1참가 물질
6
반응 조건
- 온도
- -10 °C
실험 절차
75 g. of 2,4-diamino-6-chloropyrimidine are dissolved in 1500 ml. of ethanol at 35° C. The solution is cooled to -10° C. and a solution of 100 g. of 3-chloro-perbenzoic acid in 500 ml. of ethanol is slowly added dropwise in the course of 1 hour. The suspension is subsequently stirred at -10° C. for 7 hours and left to stand at 5° C. overnight. The suspension is neutralized with 24 g. of sodium hydroxide in 100 ml. of water. The solid material is filtered off and recrystallized from ethanol, there being obtained pure 2,4-diamino-6-chloropyrimidine-3-oxide.
후처리
- customat 35° C
- waitleft
- waitto stand at 5° C. overnight
- filtrationThe solid material is filtered off
- customrecrystallized from ethanol, there
출처 및 근거
- ORD 기록
- ord-0cbe754051c04555a9debb952b65163a
- 출처 데이터셋
- uspto-grants-1980_09
- 특허 번호
- US04220772
연결된 노트
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