low-valent

常见例句

Progress in piancol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
论文综述了低价钛还原偶联醛酮合成片呐醇的进展,在超声辐射下进行了片呐醇的合成,全文共分为四章。
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。
Pinacol coupling reaction induced by low valent titanium has higher chemoselectivity and stereoselectivity,and has increasing attracted organic chemists in recent years.
由低价钛络合物诱发的片呐醇偶联反应,具有良好的化学选择性和立体选择性,近几年来又引起有机化学家们的极大兴趣与重视。
The first stage is about the Fe2+ being oxidized and the second one is relative to the oxidation of some molybdenum oxides in a lower valent.
反应之一是Fe2+被氧化，反应之二是钼的低价氧化物被氧化。
Keywords low valent titanium reagent;aromatic ketoxime;deoximation;
低价钛试剂;芳酮肟;脱肟;
Progress in Pinacol Coupling of Aldehydes and Ketones Using Low Valent Titanium
低价钛还原偶联醛酮合成片呐醇的进展