Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Tetramethoxypropane → Ethyl pyrazolo(1,5-a)pyrimidine-3-carboxylate
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Tetramethoxypropane | HCID 66019 | — |
| 반응물 | ethyl 3-amino-1H-pyrazole-4-carboxylate | HCID 81472 | — |
| 용매 | Acetic Acid | HCID 176 | — |
| 생성물 | Ethyl pyrazolo(1,5-a)pyrimidine-3-carboxylate | HCID 7021267 | 58.2% |
반응 단계
A stirred mixture of 10.88 g of 5-amino-4-pyrazolecarboxylic acid, ethyl ester, 11.51 g of malonaldehyde bis(dimethyl acetal) and 100 ml of glacial acetic acid was heated at reflux for 16 hours, then worked up as described in Example 50 to give 7.8 g of pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, ethyl ester.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US04847256 |
| 출처 데이터셋 | uspto-grants-1989_07 |
| ORD ID | ord-5f8b8cdbe5c44c21aa1db52de5971b43 |
| 출처 메모 | uspto-grants-1989_07 |