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- enantioselctive epoxidation 不对称环氧化
- Epoxidation and oxidation gave the racemic C18-juvenile hormone. 通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素。
- In the epoxidation, chloroform and t butanol gave the best results. 在环己烯环氧化反应中 ;以氯仿和叔丁醇为溶剂时 ;环氧化反应的结果最好 .
- THE EPOXIDATION OF cis-PROPENYLPHOPHONIC ACID TO FOSFOMYCIN BY PENCILLIUM SP. 青霉菌立体选择性环氧化顺丙烯磷酸产生磷霉素。
- The epoxy group of epoxidation product of SBS has been proved by IR. 通过红外光谱对SBS的环氧化产物中环氧基团的存在进行证实。
- Recent progress on asymmetric epoxidation of unfunctionalized alkenes by chiral catalysts was summaried. 综述了手性催化剂催化的不对称环氧化反应研究进展情况。
- The common methods of modification are epoxidation ,acylamidation,secondary ammoniation,quaterisation,etc. 改性的方法主要有环氧化、酰胺化、仲胺化、季铵化或混合改性等。
- The desired way of the manufacture of epichlorohydrin is the direct catalytic epoxidation of allyl chloride. 从氯丙烯出发经催化环氧化反应直接制取环氧氯丙烷是当前的方向。
- A steady state course mathematic model is established to describe the continuous cascade epoxidation process. 摘要建立了多釜串联油脂连续环氧化反应工艺的稳态过程数学模型。
- We have also investigated the epoxidation of cyclohexene catalyzed by 2 systemically. 本文较为系统的研究了MoO2Cl2(OPMePh2)2 (2)催化环己烯环氧化反应。
- The activation barrier of the epoxidation reaction is 139.23kJ/mol, and the reaction is exothermic by 25.16 kJ/mol. 环氧化反应的活化位垒是139.;23kJ/mol,反应为放热反应,放热量为25
- Epoxidation of alkenes is one of the most important reactions in organic, synthesis. 烯烃环氧化在有机合成中占有十分重要的地位。
- The epoxidation of styrene-isoprene block copolymer (SIS) in different organic solvents was studied. 研究了聚苯乙烯-聚异戊二烯-聚苯乙烯三嵌段共聚物(SIS)在不同溶剂中的环氧化反应。
- This review involves chiral metal complexes as catalysts for asymmetric epoxidation of simple olfins. 介绍了多类简单烯烃不对称环氧化反应的手性过渡金属配合物催化剂系统的催化效果。
- This paper reviews the new research progress of epoxidation of propylene with different oxidants. 摘要综述了不同氧源与丙烯环氧化反应的研究新进展。
- And these catalysts were applied to catalyse asymmetric Michael addition of 2-nitropropane to chalcone and epoxidation of chalcone. 并用这些催化剂催化了2-硝基丙烷与查尔酮的不对称Michael加成和查尔酮的不对称环氧化反应。
- The title compound(6)was synthesized first by stereoselective epoxidation of bicyclo[3.2.0]hept-2-en-endo and exo-6-ol and then by Collins oxidation. 本文通过对双环[3.;2
- Epoxidation of olefins is an important chemical reaction in chemical industry.Epoxides have been used as organic materials and chemical intermediates. 烯烃的环氧化反应是化学工业中重要的化学反应之一,其环氧化物是用途极为广泛的有机原料和化学中间体。
- The epoxidation reaction of diphenylethylene by heteropolyacids catalysts is studied.TheCatalytic activity of heteropolyacids is explored. 本文以杂多酸为催化剂对二苯乙烯的环氧化反应进行了研究,探讨了杂多酸的催化活性。
- The dioxirane was successfully applied to the epoxidation reactions of some natural compounds with carbon - carbon double bonds. 其光谱数据和理化性能与文献报道一致,制得的氧化剂应用于一系列天然化合物的碳碳双键环氧化反应,取得较好结果。