Aluminum propoxide for the Tishchenko condensation of propanal to propyl propionate is prepared from aluminum powder and propanol.

以合成出铝为催剂,无水锌为助催剂,用醛一步合成了酸酯,收率可达92％,选择性可达93％。

It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.

介绍了溴（）代基亚锑酸酯及其中间体烯基亚锑酸酯合成方法及应用试验结果。

Hordenine propyl formate and chemical osmosis are the two ways of extracting Glutathione(GSH) from yeast have been introduced and compared in this review.

介绍了从酵母中分离胱甘肽(GSH)两种抽提方法:对羟基苯甲酸酯法和学渗透法,并对其进行了对比。

The company main product includes: High boiling point products and so on solvent series, plasticizer series, aromatic hydrocarbon series, Zhong propyl butyl-carbinol, 2- octanone and thiophen.

高沸点溶剂系列、增塑剂系列、芳烃系列、仲辛、2-辛酮及噻吩等产品。