Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
1-Piperazinecarboxylic acid, ethyl ester → 5,6-Dimethoxy-3(4-carbethoxy piperazino)methylene oxindole
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 1-Piperazinecarboxylic acid, ethyl ester | HCID 8431 | — |
| 반응물 | HCID 178486553 | HCID 178486553 | — |
| 생성물 | 5,6-Dimethoxy-3(4-carbethoxy piperazino)methylene oxindole | HCID 54095422 | — |
반응 단계
4.0 g. of 5,6-dimethoxy-3-hydroxymethylene oxindole was reacted with N-carbethoxy piperazine as described in Example 2, except that 0.10 g. toluene sulfone acid was added as a catalyst. Yield, 3.05 g. of product, m.p. 172°-174° C.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04176191 |
| 출처 데이터셋 | uspto-grants-1979_11 |
| ORD ID | ord-f04b5cd13a0348399248d9d826df7a49 |
| 출처 메모 | uspto-grants-1979_11 |