INTRODUCTION During the last decades, the processes of enrichment of sulphide ores have been extensively studied in the......

Due to the difficulty in synthesizing perhalogenated metallophthalocyanine,the method of ammonium molybdate solid phase ......

以 VD2 为原料制备了 1α,2 5 -二羟基维生素 D3的重要中间体 ( 1 S,6R) -1 -羟基 -6-( 1 ,3-苯并二硫 -2 -氧 ) -3,5 -环维生素 D......

Regioselective oxidation of phenols to o-quinones with Dess-Martin periodinane is reported. Regioselective oxidation of......

Orthogonal test was used to evaluate the effects of synthetic such as temperature(120～140℃),reaction time(4-6)and substr......

Three title compounds (3～5) have been successfully synthesized via interactive reactions between ferrocenecarboxylic and ......

利用一种二胺型苯并嗪改性环氧酸酐体系。通过FT-IR和DSC分析了改性体系的固化机理。结果表明：共混树脂体系在固化时存在两个反应，首......

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......

Tetrahydrofuran ring can be opened with acyl chlorides or anhydrides catalyzed by gallium triiodides to afford iodo este......

A series of novel liquid crystalline epoxides with lateral substituents were cured with anhydrides and the cure kinetics......