...

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The racemic neocnidilide has been synthesized by stereoselective reaction of hemiacetal 5 with n-BuMgBr....

A novel and efficient route of synthesizing 1, 2, 4-triazoline-5-ones is reported. The title compounds can be prepared i......