Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
4-Chlorophenol → Quinizarin
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 4-Chlorophenol | HCID 4684 | — |
| 반응물 | 1,4,5,8-Tetrahydroxy-9,10-anthracenedione | HCID 6686 | — |
| 반응물 | Phthalic Anhydride | HCID 6811 | — |
| 촉매 | Boron | HCID 5462311 | — |
| 용매 | Fuming sulfuric acid | HCID 24681 | — |
| 생성물 | Quinizarin | HCID 6688 | — |
반응 단계
The present invention relates to a process for the production of 1,4,5,8-tetrahydroxyanthraquinone (hereinafter referred to as diquinizarine) by reacting phthalic anhydride with p-chlorophenol in oleum and in the presence of boron catalysts to give the boron complex of 1,4-dihydroxyanthraquinone, and then chlorinating this boron complex direct with chlorinating agents, in the same reaction medium, to give the boron complex of 5,8-dichloro-1,4-dihydroxyanthraquinone, and subsequently hydrolysing this chlorinated boron complex to diquinizarine.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04645626 |
| 출처 데이터셋 | uspto-grants-1987_02 |
| ORD ID | ord-7730aea525044608bb2f78f4cd3c1841 |
| 출처 메모 | uspto-grants-1987_02 |