1) titanium (Ⅳ)oxalate
苹果酸钛(Ⅳ)
3) D-malic acid
D-苹果酸
1.
Using D-malic acid as materials,Ethyl(R)-2-hydroxy-4-phenylbutyrate is synthesized by four steps of anhydride activity,Frieded-Crafts reaction,hydrogenolysis and esterification.
从D-苹果酸出发,经过酐活化、付-克反应、常压催化氢解和酯化四步合成了(R)-2-羟基-4-苯基丁酸乙酯,总收率达到了68%。
4) calcium malate
苹果酸钙
1.
The conditions for preparation of the calcium malate from seashells were studied from the angle of environmental protection in this pa- per.
从保护环境的角度出发,探索了以废弃贝壳为原料制备苹果酸钙的工艺条件。
2.
The calcium fumarate was used as substrate to produce calcium malate directly.
运用生物反应分离耦合原理 ,以富马酸钙为底物 ,采用游离延胡索酸酶 ,直接转化生成苹果酸钙。
3.
It was very important to study the dissolution behaviors for substrate calcium fumarate and product calcium malate.
采用反应分离耦合技术以富马酸钙为底物生产Ｌ－苹果酸是目前该产品生产的最佳方式，因此，研究该工艺过程中底物富马酸钙与产物苹果酸钙的溶解行为显得十分重要。
5) L-(-)-Malic acid
L-(-)-苹果酸
6) Malate
['mæleit,'meileit]
苹果酸
1.
Study on Effects of Malate on Rumen Fermentation and Performance of Inner Mongolia White Cashmere Goats;
苹果酸对内蒙古白绒山羊瘤胃发酵功能及生产性能影响的研究
2.
Research Progress on Tonoplast Malate Transporter
液泡膜苹果酸转运蛋白研究进展
3.
A method is studied in this paper,that Malate、 Citrate、 Cl~-、 NO_3~-etc in tobacco were determined by(anion-)chromatographic method with 10 mmol/L NaOH and ultrasonic for lixiviation.
5 mL/min,成功地测定了烟草中的苹果酸、柠檬酸、NO3-、NO2-、Cl-、SO42-等成份。
补充资料：D-(+)-苹果酸
分子式：C4H6O5
分子量：134.09
CAS号：636-61-3
性质：熔点98-104°C。比旋光度2.2° (c=3, H2O)。水溶性soluble。
分子量：134.09
CAS号：636-61-3
性质：熔点98-104°C。比旋光度2.2° (c=3, H2O)。水溶性soluble。
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