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New researches on mechanism of alkene epoxidation by iron porphyrins and manganese porphyrins in recent years are presented in this paper. 摘要本文就铁卟啉及锰卟啉模拟酶体系近年来在催化烯烃环氧化反应机理方面的最新研究成果进行了详细阐述。
Progress of Alkene Epoxidation and Its Catalysts 烯烃环氧化及其催化剂的研究进展
Keywords mesoporous materials;alkene epoxidation;catalysis; 介孔材料;烯烃环氧化;催化;
alkene epoxidation 烯烃环氧化
The hydrocarbon must be an alkene. 这个碳氢化合物必定是烯烃。
The Alkene Double Bond: A Focus of Reactivity. 21烯烃的双键：重点是反应活性。
A hydrocarbon was known to be either an alkene or alkane. 某碳氢化合物已知可能是烯烃或是烷烃。
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。
A hydrocarbon was known to be either an alkene or alkane . 某碳氢化合物已知可能是烯烃或是烷烃。
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 nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc. 亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
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 burst of tubes for steam boiler (F106) in an alkene factory was examined. 摘要对某烯烃厂爆裂破坏的蒸汽锅炉(F106)炉管，进行了宏观形貌、化学、金相、扫描电镜的分析。
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。
The betaine will collapse to the alkene only when these two functions are eclipsed. 只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃。
The Plant of cracking heater depolymerizing furnace of Alkene Factory of QLSH CO. 齐鲁石化公司烯烃厂裂解车间;
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。
Markovnikov's rule is an important rule of product forecasting in alkene electrophilic addition reaction. 马氏规则是在烯烃的亲电加成反应中预测产物的重要经验规则,然而它通常的表述有一定的局限性。
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。
In this paper, poplar wood injected with unsaturated alkene monomers was used as testing materials to prepare WPC. 以速生杨木为试材,并通过向试材中注入不饱和烯烃类单体;