Terpenes and terpenoids, copaiba-oil, hydroxy, acetates;
羟基古巴油萜及萜类化合物醋酯;
Terpenes and terpenoids, copaiba-oil, hydroxy, acetates;
羟基古巴油萜及萜类化合物醋酯;
Gas chromatography of its alditol acetates has shown that TaA is composed of mannose and xylose by the ratio of 2.85∶1.The physical and chemical properties of TaA have been characterized.
制备醇
酰化衍生物进行气相色谱分析结果表明,由甘露
和
成,摩尔比为285∶1,并对其理化性质进行
初步研究。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂合成甲基苯
基原酯(DPCA),并简化
合成工艺,减少
生产过程中产生的三废,因而投入生产已具备
必要条件。这种新型催化剂可用于其它原酯类香料的合成。
The two now isonicotnic acid hydrazone and N-oxide isonicotinic acid hydrazone of ethyl furoyl acetates were synthesised. The condensations were carried out in ethyl alochol medium.
合成呋喃甲酰
酯异烟酰腙和呋喃甲酰
酯N-氧化异烟酰腙。缩合反应在
醇中进行。
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