The title compounds 6a—6f were prepared with high yield via intramolecular Wittigreaction of methyl 3-perfluoroalkyl-6......

Objective To investigate EVI1 expression and its associated clinical and cytogenetic characteristics in 447acute myeloid......

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......

在混洗交换网络中，窗口检测法涉及的多窗口之间复杂的制约关系对无冲突路由的构造形成严重阻碍。为克服这一阻碍，提出正规序列概念，在......

在聚苯乙烯二醋酸碘苯催化下，芳丙酮进行1，2-芳基迁移重排制得2-芳丙酸甲酯，后者水解得2-芳基丙酸。硫酸和原甲酸三甲酯的用量对合成2......

改进了萘普生的ａｍｂｏｎ法不对称合成工艺。缩酮制备时，采用甲苯为共沸剂；α－溴代缩酮以相转移催化水解并简化重排反应。总产率达４５．４％。......

Here we examine the findings obtained for disaccharide/water mixtures near glass transition that involves cooperative re......