The structures were determinated and identified by spectroscopic methods as a new ceramide 1, a known ceramide 2, and guanidine acetic salt.
从沐浴海绵Spongiazimoccaaubspeclesirregularia(Lendenfeld)分离和处理得到3种含氮化合物,通过波谱法鉴定化学结构,化合物1为新的神经酰胺N-2-(1,3-二羟基-十五烷基)-2',20'-二十一酰胺,2为神经酰胺(E)-N-2-(1,3-二羟基-4-十八烯基)-十六酰胺,3为醋酸胍。
Starting from guanidine nitrate, diethyl malonate and glucide, the benzene sulfonyl urea herbicide primisulfurion-methyl is synthesized through five steps of reaction.
以硝酸胍、丙二酸二乙酯和糖精为起始原料,经5步反应合成了苯磺酰脲类除草剂氟嘧磺隆。
The method of synthesis guanidine nitrate from urea and ammonium nitrate in the presence of catalyst is discribed in this paper.
以尿素和硝酸铵为原料 ,在催化剂的存在下合成硝酸胍。
This paper studied the rapid smoking agent consisted of the red-phosphors,guanidine nitrate and stabilizer as main components, The burning rate and smoking activation is incresed in combustion due to oxidization of red phosphors with the oxygen in bothguanidine nitrate and atmosphere.
该文研究了以赤磷、硝酸胍和安定剂为主要成份的瞬时成烟发烟剂。