Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Ethanol → 4-Methylumbelliferone
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Ethanol | HCID 702 | — |
| 반응물 | Resorcinol | HCID 5054 | — |
| 반응물 | Ethyl Acetoacetate | HCID 8868 | — |
| 용매 | Sulfuric Acid | HCID 1118 | — |
| 생성물 | 4-Methylumbelliferone | HCID 5280567 | 77% |
반응 단계
0.1 mole resorcinol and 0.1 mole ethyl acetylacetate in solution in 100 ml concentrated sulphuric acid are maintained at 5° C. for 3 hours. After recyrstallisation of the solid formed from ethanol, there are obtained 12.5 grams 4-methyl-7-hydroxy-coumarin, melting at 185° C.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04151291 |
| 출처 데이터셋 | uspto-grants-1979_04 |
| ORD ID | ord-a79709e505384a2687bef6e5cd029a87 |
| 출처 메모 | uspto-grants-1979_04 |