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- Enzymatic synthesis of isoamyl valerate in nonaqueous medium 非水相脂肪酶催化合成丁酸异戊酯
- Lipase-catalyzed Synthesis of Isoamyl Valerate in Nonaqueous Medium 非水介质中脂肪酶催化合成正戊酸异戊酯的研究
- Keywords lipase;isoamyl valerate;nonaqueous medium;esterification; 脂肪酶;丁酸异戊酯;非水介质;酯化反应;
- isoamyl valerate 戊酸异戊酯
- Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst. 以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯。
- Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst. 以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯。
- Methods: male Wistar rats were injected Azaser-ine 30mg/kg(ip). Some rats received Estradiol-17 P Valerate(0.18mg/100g/2weeks, im) . 方法 雄性Wistar大鼠单次腹腔注射重氮乙酰丝氨酸30mg/kg;部分大鼠2个月后开始肌肉汪射戊酸雌二醇0.;18mg/100g×2周;4个月后;常规取胰腺组织行光镜和电镜检查;并应用PCR-SSCP法检测K-ras基因突变情况
- It grows on acetate withpropanol replacing ethanol,the principal products are propionate,valerate,butyrate andhexanoate.All of these can be u... 当以丙醇和乙酸为底物时,其主要产物为丙酸、戊酸、丁酸以及己酸。
- Isoamyl hexanoate could be synthesized using stannic chloride from caproic acid and isoamyl alcohol. 研究了用四氯化锡催化己酸和异戊醇合成己酸异戊酯的反应。
- Method: Treatment group and comparing group were treated with Guishen pill and estradiol valerate, progesterone respectively. 方法:治疗组与对照组分别口服中药归肾丸加味与戊酸雌二醇、黄体酮。
- By using ceric sulfate as the catalyst,acetic acid and iso-amyl alcohol reacted to form isoamyl acetate. 采用硫酸铈为催化剂合成乙酸异戊酯,考察了催化剂用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
- The mixture of plant oils and sodium propionate resulted in PHA copolymers with higher Mw compared to the mixture of plant oils and sodium valerate. 植物油和丙酸钠的混合物产生的PHA比植物油和戊酸钠的混合物有更大的分子量。
- The catalytic activity of gallium sulfate supported on silica gel in synthesizing isoamyl hexanoate was studied. 采用自制的硅胶固载硫酸镓为催化剂合成了己酸异戊酯。
- Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper. 用漆酚树脂固载化三氯化铁高分子催化剂合成醋酸异戊酯,对催化剂进行了红外光谱表征。
- In this paper, with solid superacid as catalyst for isoamyl propionate synthesis was studied. 本论文用固体超强酸为催化剂对丙酸异戊酯的合成进行了研究。
- With eerie sulfate as the catalyst, propionic acid and isoamyl alcohol were reacted to form isoamyl propionate. 采用硫酸铈为催化剂合成丙酸异戊酯,考察了催化剂用量、醇酸摩尔比、反应时间及催化剂重复使用次数等对收率的影响。
- Conclusion: Guishen pill was much more effective than Estradiol valerate, Progesterone in treating the motility emmenia less.The Guishen pill has the clinical value. 结论:归肾丸加味治疗运动性月经过少的疗效显著优于戊酸雌二醇、黄体酮,具有临床实用价值。
- A method of synthesis of isoamyl acetate catalyzed by zinc sulfate had been developed. 以硫酸锌为催化剂催化合成了乙酸异戊酯,确定了酯化优化条件。
- Methods 42 patients were treated randomly with traditional prescription combined by estradiol valerate(combined group) or singe estradiol valerate(estradiol valerate group). 方法运用中医验方结合口服戊酸雌二醇和单用戊酸雌二醇,分析两组与未用药时的发病期及发病间期。
- The progresses in the synthesis study of isoamyl isovalerate at home and abroad were reviewed. 综述了国内外对异戊酸异戊酯的合成研究的进展情况。