WebA boron-catalyzed direct α-trifluoromethylthiolation of carboxylic acids was developed. Catalytically generated boron enediolates reacts with electrophilic SCF3 reagent, N-SCF3-phthalimide, to provide α-SCF3 carboxylic acids without the need of substrate pre-activation. The method is applicable to direct modification of bioactive carboxylic ... WebJan 8, 2024 · scum一卡一卡的退不出来表现为系统闪退,原因和解决方法如下. 4、程序不兼容: 建议卸载重新安装该程序或卸载了一些与系统不兼容的程序。. 5、程序本身问题: 有些程序本身存在问题,如前期腾讯组件出现问题,导致腾讯游戏出现停止运行的提示。. (这种 ...
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