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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......

利用铑（Ⅱ）催化重氮苄基膦酸酯与芳香醛或酮化学专一地进行环氧化反应,高产率、高立体选择性地合成了顺式环氧乙烷-2-膦酸酯。反应历......