| 1. | Catalysis of ketol reaction by ultrasound and microwave irradiation
超声波和微波辐射催化缩酮反应 |
| 2. | Catalytic synthesis of butanone glycol ketal with phosphowolframic acid
磷钨酸催化合成丁酮乙二醇缩酮 |
| 3. | Synthesis of benzyl acetate using solid superacid s2o82 - zro2 - cr2o3 as catalyst
微波辐射条件下季戊四醇双缩醛和双缩酮化合物的合成 |
| 4. | Catalytic synthesis of ethyl acetoacetate ethylene glycol ketal by ammonium ferric sulfate
硫酸铁铵催化合成乙酰乙酸乙酯乙二醇缩酮 |
| 5. | Study on preparation of solid super acid s2 o8 2 - zro2 - ce2 o3 and catalytic synthesis of cycloketal
3固体超强酸的制备及催化合成环缩酮的研究 |
| 6. | Catalytic synthesis of cyclohexanone glycol ketal by coal activated carbon modified by kmno4 as a catalyst
高锰酸钾改性煤基活性炭催化合成环己酮乙二醇缩酮 |
| 7. | The pentaerythritol diacetals were effectively synthesized through condensation reaction of pentaerythritol with aldehydes and ketones promoted by zirconium sulfate - silica gel under microwave irradiation
摘要微波辐射硫酸锆矽胶催化季戊四醇与醛、酮缩合反应，高收率制得了双缩醛和双缩酮化合物。 |
| 8. | Since the middle of 20th century chinese scientists have put considerable effort and resources into the search for new antimalarial compounds extracted from chinese traditional herbs . an antimalarial drug was finally isolated in 1971 and named artemisinin or qinghaosu . its rapid action , low toxicity and powerful effect against falciparum malaria made it a favored subject for research
青蒿素是一种含过氧基团组成缩酮的新倍半萜内酯，我国科学工作者于二十世纪70年代首次从中药青蒿即菊科植物黄花蒿( artemisiaannua )中分离出青蒿素。 |
