2.Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
吡啶可以和卤素、硝基四氟硼盐、硫、硼烷及铬反应,形成一些有用的有机试剂。
3.Reactions of Some Monoterpenes and Nitrogen trioxide Part Ⅱ. Studies on the conditions for preparation of α-pinene nitrosite and its conversion into carvone.
萜类合物氮的反应——Ⅱ.α—蒎烯亚氮物的制备条件及其转变为香芹酮的研究
4.Technologies for sulfonation including using sulfur trioxide as sulfonating agent and baking process and the sulfonation equipment such as tubular sulfonator as well are briefed.
5.The preparation methods of dimethylamine hydrochloride/chromium trioxide oxidation reagent and the selective oxidation reaction of cyclohexenol to cyclohexenone with this catalyst are studied.
6.Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D.
以愈创为原料,用烷·硫加合物(D。
7.Products include tungstates and molybdates, molybdenum trioxide, and ferro-molybdenum.
网站简介 : Producer of tungsten and molybdenum compounds in China.
8.Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.