2) tetramethylpyrazine
四甲基吡嗪
1.
Effect of the acute renal failure on the pharmacokinetics of tetramethylpyrazine hydrochloride in rabbits;
兔急性肾功能衰竭对盐酸四甲基吡嗪药物动力学的影响
2.
GC/MS analysis of the synthetic products of brominated tetramethylpyrazine;
四甲基吡嗪的溴代合成产物的GC/MS分析
3.
Because tetramethylpyrazine has the functions of angiectasis, improving microcirculation, and inhibiting blood platelet constriction etc.
中国白酒中的四甲基吡嗪(川芎嗪)由美拉德反应生成,在制曲和堆积发酵过程中产生,经蒸馏带入酒中,具有扩张血管、改善微循环及抑制血小板集聚等作用,赋予中国白酒以健康功能。
3) Aminomethylpyrazine
氨甲基吡嗪
1.
A New Method for Preparation of Aminomethylpyrazine;
氨甲基吡嗪的制备新方法
4) 2-methylpyrazine
2-甲基吡嗪
1.
Study on the synthesis of 2-methylpyrazine;
2-甲基吡嗪的合成工艺改进
2.
The mechanism of 2-cyanopyrazine prepared from 2-methylpyrazine by catalytic ammoxidation was explained qualitatively with the theory of appropriate structure of group.
通过实验得到最优反应条件为:370℃,2-甲基吡嗪、水、氧气、氨气的进料摩尔比为1∶7。
3.
It could be conjectured that 2-methylpyrazine is reacted via a series of dehydrogenations and oxidations to form intermediates pyrazinyl carboxylic acid and pyrazinamide which are then cynadized into 2-cyanopyrazine.
研究2-甲基吡嗪氨氧化催化合成2-氰基吡嗪的催化反应机理后,可知2-甲基吡嗪是通过一系列的脱氢、氧化生成甲醛吡嗪和羧酸吡嗪然后氰化生成产物的,因此优良的催化剂必须由活性及数目合适的脱氢、供[O]及氰化中心组成。
5) Methoxypyrazine
甲氧基吡嗪
6) 2,3,5-trimethylpyrazine
2,3,5-三甲基吡嗪
1.
A novel method introduce to synthesis 2,3,5-trimethylpyrazine by consendation of biacetyl and 1,2-diaminopropane followed by dehydroarmatization was studied.
介绍以丁二酮和1,2-丙二胺为原料,经缩合、脱氢芳构化反应合成2,3,5-三甲基吡嗪的新方法。
补充资料：甲基吡嗪
分子式：
CAS号：
性质：沸点135℃。折射率1.5067，相对密度1.0290，溶于水、乙醇、乙醚及丙酮。其苦味酸盐熔点133℃。由2-甲基哌嗪催化脱氢制得。用作有机合成试剂。
CAS号：
性质：沸点135℃。折射率1.5067，相对密度1.0290，溶于水、乙醇、乙醚及丙酮。其苦味酸盐熔点133℃。由2-甲基哌嗪催化脱氢制得。用作有机合成试剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条