利用DPPA通过Mitsunobu反应取代羟基合成叠氮化物的文章(点击:),但 Mitsunobu反应会生成大量的副产物,不易纯化。下面介绍一种可以得到相同产物的方法,利用DPPA和DBU,可以取代羟基得到构型翻转的叠氮化物,此反应生成副产物 ...
The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.
School of Chemistry and Materials Science, Ludong University, Yantai 264025, China School of Food Engineering, Ludong University, Yantai 264025, China ...
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