Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Water → 2-Cyclopenten-1-one, 4-hydroxy-3-methyl-2-(2-propen-1-yl)-
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Water | HCID 962 | — |
| 반응물 | Sodium Chloride | HCID 5234 | — |
| 반응물 | 4-Hydroxy-4-methyl-5-(prop-2-en-1-yl)cyclopent-2-en-1-one | HCID 12879872 | — |
| 생성물 | 2-Cyclopenten-1-one, 4-hydroxy-3-methyl-2-(2-propen-1-yl)- | HCID 11083 | — |
반응 단계
In an autoclave, 4-hydroxy-4-methyl-5-allyl-2-cyclopentenone (20 g) and water (400 ml) were charged, and the resultant mixture was stirred at 180° C. for 6 hours in a nitrogen atmosphere. After cooling, sodium chloride (50 g) was added to the reaction mixture, and the resulting mixture was extracted with methyl isobutyl ketone. The extract was concentrated under reduced pressure to give 2-allyl-3-methyl-4-hydroxy-2-cyclopentenone (19 g). Yield, 95%. M.P. 130°-132° C./1.2 mmHg.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04347386 |
| 출처 데이터셋 | uspto-grants-1982_08 |
| ORD ID | ord-8371605ffe1349dc8bb6c0fe1adc2020 |
| 출처 메모 | uspto-grants-1982_08 |