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The presence of AM changes the cyclization reaction mechanism of copolymers from free radical to ionic.

结果表明,AM的引入改变了聚合物的化机理,从自由基化机理过渡为离子化机理。

In the condition of 1 MPa O_2 and 413 K for 4 h, the conversion of cyclohexane is 16.9%, and the total selectivity of cyclohexanol and cyclohexanone is 93%.

在该反应条件下,己烷的转化率为16.9%,己酮和己醇的总选择性为93%。

The major products were cyclohexanecarboxylic acid and cyclohexanol. The possible reaction pathway was similar to that of benzene.

这一体系也可用于己烷的羰基化反应,产物为己甲酸和己醇,反应历程与苯羰基化基本相同。

The commercial process of cyclohexane oxidation to cyclohexanone and cyclohexanol shows low conversion, poor selectivity, high-energy consumption and environmental pollution. It is of great academic and practical importance to study and develop highly efficient and environmentally friendly catalytic cyclohexane oxidation processes.

现有的己烷氧化制己酮生产工艺,存在转化率低、选择性差、能耗高以及污染境的缺点,研究和开发高效、境友好的己烷催化氧化工艺具有重要的理论意义和实用价值。

The catalytic oxidation of cyclohexane to cyclohexanone and cyclohexanol in air as probe reaction was performed without any organic solvent or cocatalyst, and the influences of the amount of metal porphyrin, reaction pressure, reaction temperature and reaction time on the catalytic activity were investigated.

以空气氧化己烷制备己酮和己醇为探针反应,在不加入任何有机溶剂或助催化剂的条件下考察了金属卟啉用量、反应压力、温度、时间等对其催化活性的影响。

It was found that manganese porphyrin had the highest activity, and a maximum 15.4% of cyclohexane conversion and 93.9% selectivity of cyclohexanone and cyclohexanol could be obtained under the suitable conditions.

结果发现,锰卟啉催化活性最好,在适宜反应条件下,己烷转化率高达15.4%,己酮和己醇的总选择性约为93.9%。

Under the conditions of n∶n = 1∶100,95 ℃ and 6 h,the conversion of nitrocyclohexane reached to 100% and the selectivity for cyclohexanone oxime was 84.2%.

在催化剂与硝基己烷摩尔比为1∶100、反应温度95 ℃的条件下,反应6 h后的硝基己烷转化率可达100%,己酮肟选择性可达84.2%。

The dominant techniques of cyclohexanone synthesis from cyclohexane by catalytic oxidation were introduced.

介绍了以己烷为原料催化氧化合成己酮的主要方法,分析了己烷氧化采用的主要催化剂。

A novel monomer the 1-methyl-4,5-bis(4-chlorobenzoy) cyclometer containing cyclohexene were prepared,so a group of novel polys containing the cyclohexene and phthalazinone moieties was prepared by the nucleophilic displacement reaction of 1-methyl-4,5-bis(4-chlorobenzoyl) cyclohexene and 4,4′-dichlorodiphenyl sulfone and 4-(3,5-dimethyl-4-hydroxyphenyl)-2,3-phthalazin-1-one.

用新型聚合单体1-甲基-4,5-二(4-氯代苯甲酰基)己烯与4-(4-羟基苯基)-2,3-二氮杂萘-1-酮、4,4′-二氯二苯砜单体经亲核共缩聚反应,成功地合成了含己烯结构的杂联苯型聚醚系列聚合物。

A novel monomer the 1-methyl-4,5-bis (4-chlorobenzoy) cyclometer containing cyclohexene were prepared,so a group of novel polys containing the cyclohexene and phthalazinone moieties was prepared by the nucleophilic displacement reaction of 1-methy l-4,5-bis(4-chlorobenzoyl) cyclohexene and 4,4'-dichlorodiphenyl sulfone and 4-(3,5-dimethyl-4-hydroxyphenyl)-2,3-phthalazin-1-one.

用新型聚合单体 1-甲基-4,5-二(4-氯代苯甲酰基)己烯与 4-(4-羟基苯基)-2 ,3-二氮杂萘-1-酮、4,4′-二氯二苯砜单体经亲核共缩聚反应,成功地合成了含己烯结构的杂联苯型聚醚系列聚合物。

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