Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Formaldehyde → Formaldehyde
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Formaldehyde | HCID 712 | — |
| 반응물 | Phenol | HCID 996 | — |
| 반응물 | Ethanethiol | HCID 6343 | — |
| 반응물 | 2-[(Ethylsulfanyl)methyl]phenol | HCID 522167 | — |
| 촉매 | Zinc Acetate | HCID 11192 | — |
| 생성물 | Formaldehyde | HCID 712 | — |
| 생성물 | Salicyl Alcohol | HCID 5146 | — |
반응 단계
A mixture of 450 g of phenol, 0.8 g of zinc acetate and 24 g of paraformaldehyde was warmed for 6 hours to 70° C. in a flask equipped with a stirrer and a reflux condenser. 49.6 g of ethylmercaptan were then added to the reaction mixture and the reaction temperature in the flask was raised progressively so that there was always a slight reflux. After about 12 hours, when a final temperature of 120° C. had been reached, the reaction was stopped by cooling and the reaction mixture was worked up by distillation. The phenol could be re-used in a subsequent reaction. The yield of isolated 2-ethylthiomethyl-phenol was 70% of theory, relative to paraformaldehyde, and about 95%, relative to the 2-hydroxymethyl-phenol formed as an intermediate.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04358616 |
| 출처 데이터셋 | uspto-grants-1982_11 |
| ORD ID | ord-ed670bfdc70b4db5afbdebd52c65f805 |
| 출처 메모 | uspto-grants-1982_11 |