Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Ethyl 2-Formylpropionate → 4-Methyl-1-(3,4-dichlorobenzyl)-pyrazol-5-one
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Ethyl 2-Formylpropionate | HCID 10898741 | — |
| 반응물 | (3,4-Dichlorobenzyl)hydrazine | HCID 20495842 | — |
| 용매 | Ethanol | HCID 702 | — |
| 생성물 | 4-Methyl-1-(3,4-dichlorobenzyl)-pyrazol-5-one | HCID 23334400 | — |
반응 단계
10.9 g of 3,4-dichlorobenzylhydrazine were added dropwise to a solution of 7.5 g of a α-formylpropionic acid ethyl ester in 50 ml of ethanol. After stirring overnight at room temperature, the solvent was distilled off in vacuo and the solid residue was recrystallized from ethanol.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04056533 |
| 출처 데이터셋 | uspto-grants-1977_11 |
| ORD ID | ord-d699554e894d441981b613cd6eab6b1f |
| 출처 메모 | uspto-grants-1977_11 |