Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Hydrochloric Acid → 1-(4-Chlorophenyl)-3-(dimethylamino)propan-1-one
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Hydrochloric Acid | HCID 313 | — |
| 반응물 | Formaldehyde | HCID 712 | — |
| 반응물 | P-Chloroacetophenone | HCID 7467 | — |
| 반응물 | Dimethylamine, hydrochloride | HCID 10473 | — |
| 반응물 | 1-Propanone, 1-(4-chlorophenyl)-3-(dimethylamino)-, hydrochloride (1:1) | HCID 200370 | — |
| 용매 | Acetone | HCID 180 | — |
| 용매 | Ethanol | HCID 702 | — |
| 생성물 | 1-(4-Chlorophenyl)-3-(dimethylamino)propan-1-one | HCID 200371 | — |
반응 단계
4'-Chloro-3-dimethylaminopropiophenone is prepared by treating 4'-chloro-3-dimethylaminopropiophenone hydrochloride with aqueous base to remove the HCl. The free amine is extracted into diethyl ether and recovered by evaporation of the solvent. The hydrochloride salt is prepared by the method of Maxwell in Org. Synth. Coll. Vol. III, 305-306. Thus, a mixture of 4-chloroacetophenone, dimethylamine hydrochloride, and paraformaldehyde is refluxed for 2-4 hours in 95% ethanol with a small amount of added hydrochloric acid. The solid product is obtained after adding acetone and cooling overnight.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US05824744 |
| 출처 데이터셋 | uspto-grants-1998_10 |
| ORD ID | ord-3c30c644c8ca46be9c860204a7b6da4b |
| 출처 메모 | uspto-grants-1998_10 |