膽甾烯 的英文怎麼說
中文拼音 [dǎnzāixī]
膽甾烯
英文
cholestene-
A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。This enzyme is industrially important and useful for the clinical determination of total or free serum cholesterol by coupling with related enzymes, the determination of the steric configuration of 3 3 - hydroxysteroids and the preparation of hormone
膽固醇氧化酶是膽固醇代謝的關鍵酶之一，它催化膽固醇氧化及異構反應，生成膽甾- 4 -烯- 3 -酮和過氧化氫。
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