Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Ethyl Acetoacetate → 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-nitrophenyl)-
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Ethyl Acetoacetate | HCID 8868 | — |
| 반응물 | 4-Nitrophenylhydrazine hydrochloride | HCID 5463401 | — |
| 용매 | Ethanol | HCID 702 | — |
| 생성물 | 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-nitrophenyl)- | HCID 80816 | — |
반응 단계
1.63 g of p-nitrophenylhydrazine hydrochloride and 1.26 g of ethyl acetoacetate are heated under reflux in 30 ml of ethanol for 45 min. The mixture is concentrated somewhat in vacuo. The crystals which have separated out are then filtered off with suction.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US05869516 |
| 출처 데이터셋 | uspto-grants-1999_02 |
| ORD ID | ord-9708b4ea09704412845a368f792b6756 |
| 출처 메모 | uspto-grants-1999_02 |