acetylenes

英语音标

英语翻译

炔烃

英语例句

Acetylenes are an important and valuable class of compounds in organic synthesis. 乙炔是在有机的综合过程中的一种化合物的重要和有价值的种类。

Butynediol produced from acetylen(?) and formaldehyde contains about 1% of an unknown byproduct which is separated by distillation, extraction, recrystallization and column chromatography. 甲醛炔化制1,4-丁炔二醇的反应副产物中未知物约1%25,采用蒸馏、萃取、重结晶、柱层析等方法分离出未知物,纯度可达97%25左右。

Palladium-Catalyzed Carbonylation of Acetylenes in Supercritical Carbon Dioxide 超临界二氧化碳介质中钯催化炔烃羰基化反应

Keywords Benzo[b]furans;copper-catalyed;Et_3N;o-iodophenols;acetylenes; 苯并呋喃;铜催化;三乙胺;邻碘苯酚;苯乙炔;

Keywords supercritical carbon dioxide;terminal acetylenes;carbonylation; 超临界二氧化碳;末端炔烃;羰基化反应;