Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝基苯胺与1,2-二酮介质中分子间的成环,提供了一个方便地合成取代喹啉类化合物的方法。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯乙烷及氢氧化,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

The experimental results show that the proposed method can effectively synthesize different views with misregistration or parallax.

多幅不同条件视图的合成实验表明，该算法大角度旋转及视差等情况下仍能较好地合成视图。