Terpenes and terpenoids, copaiba-oil, hydroxy, acetates;
羟古巴油萜及萜类化合物醋酸酯;
Terpenes and terpenoids, copaiba-oil, hydroxy, acetates;
羟古巴油萜及萜类化合物醋酸酯;
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.
制备糖醇酰化衍生物进行气相色谱分析结果表明,糖和木糖组成,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酸二甲原酯(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.
合成呋喃甲酰酸酯异烟酰腙和呋喃甲酰酸酯N-氧化异烟酰腙。缩合反应在醇中进行。
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