Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
1,2-Dichloroethane → 2,2-Dimethylpropanoyl-ethyl-6-methyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridine-5-carbohydrazide
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 1,2-Dichloroethane | HCID 11 | — |
| 반응물 | 1-Hydroxybenzotriazole | HCID 75771 | — |
| 반응물 | 2,2-Dimethylpropanehydrazide | HCID 545147 | — |
| 반응물 | 1-Ethyl-6-methyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid | HCID 57675187 | — |
| 용매 | Dimethylformamide | HCID 6228 | — |
| 생성물 | 2,2-Dimethylpropanoyl-ethyl-6-methyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridine-5-carbohydrazide | HCID 86608980 | 79.9% |
반응 단계
Intermediate 60 (0.255 g, 0.84 mmol), EDC (0.225 g, 1.17 mmol) and HOBT (0.136 g, 1.0 mmol) in DMF (5 ml) was stirred at 20° C. for 75 minutes. Pivalic acid hydrazide (0.107 g, 0.92 mmol) was added and stirring continued for 18 hours. The reaction mixture was concentrated in vacuo and the residue partitioned between DCM and water. The organic phase was washed with aqueous sodium hydrogen carbonate then evaporated in vacuo to afford Intermediate 61 as a white solid (0.27 g).). LCMS showed MH+=403; TRET=2.13 min.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US07528148B2 |
| 출처 데이터셋 | uspto-grants-2009_05 |
| ORD ID | ord-ca21e630afde4d4291aae7deb4001f10 |
| 출처 메모 | uspto-grants-2009_05 |