英语语法分析

The rearrangement of 4-aryl 1H-2,3-benzoxazine derivatives was investigated.

最后研究了4位芳香基取代1H-2，3-苯并恶嗪结构化合物的重排反应。

Allyl-functional benzoxazine is synthesized by the reaction of allyl phenol, phenyl amines, and formaldehyde.

烯丙基苯并恶嗪中间体是由烯丙基苯酚类化合物，与苯胺、甲醛脱水缩合反应而成。

Besides, dynamic mechanical analysis (DMA) and thermal gravitational analysis (TGA) were also performed for the polymer from this novel kind of benzoxazine.

此外还研究了由这种单体所得聚合物的动态力学性能以及耐热性能。