Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
4-Chlorobenzylpiperazine → 2-(4'-p-Chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 4-Chlorobenzylpiperazine | HCID 134826 | — |
| 반응물 | 2-Chloro-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydropyrido(2,3-d)pyrimidine | HCID 12266805 | — |
| 생성물 | 2-(4'-p-Chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine | HCID 12266809 | 74% |
반응 단계
Condensation of 1-p-chlorobenzyl-piperazine with 2-chloro-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine, as described in Example VII, gives, in a yield of 74%, 2-(4'-p-chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine; melting point 150° C., after recrystallisation from ethyl acetate.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04129737 |
| 출처 데이터셋 | uspto-grants-1978_12 |
| ORD ID | ord-52353e447c8043f5952fcb5206d578ee |
| 출처 메모 | uspto-grants-1978_12 |