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FT-IR and 1H-NMR results show that the reaction occurs in the α-H atom of isobutyraldehyde.

FT-IR及1H-NMR结果说明合成反应发生在异丁醛中的α氢原子上。

The technology of synthesizing 2,2,4-trimethylpentane-1,3-diol using industrial isobutyraldehyde and sodium hydroxide is researched in this paper.

以工业异丁醛和氢氧化钠合成了2,2,4-三甲基-1,3-戊二醇。

On the other hand, the use of isobutyraldehyde would cause the decomposition of porphyrin complex.

另外,若此反应再加入异丁醛与之共催化,则会造成催化剂降解。

The heat exchanger network pinch analysis for octanol and isobutyraldehyde plant of one factory was conducted and the engergy saving potential with different minimum temperature difference is given in this paper.

针对某引进的辛醇与异丁醛装置,进行了换热网络的夹点分析,得到了不同的最小换热温差下该装置的节能潜力。

Isobutyraldehyde 1,2-propanediol acetalwas synthesized from isobutyraldehyde and 1,2-propanediol in the presence of aminosulfonic acid as catalyst.

详实地阐述了新型固体超强酸SO2-4/TiO2-MoO3催化剂的制备方法及其应用实例———催化合成异丁醛1,2-丙二醇缩醛新工艺。

It is found that UIFR with softening point of 90℃, OH value of 32mg KOH/g andM of 377 g/mol is synthesized when molar ratio of isobutyraldehyde to formaldehyde is 1.5, molar ratio of aldehyde to urea is 6, vacuum distillation temperature and time is 140℃ and 1 h respectively. The terpolycondensate is soluble in most solvents, of paints and exhibits excellent yellowing-resistance.

结果表明,在异丁醛、甲醛摩尔比为1.5,醛、脲摩尔比为6,真空蒸馏温度为140℃、时间为1h的条件下,合成出的UIFR软化点为90℃,羟基值为32mgKOH/g,M为377g/mol,且树脂具有良好的溶解性和杭黄变性。

The oxido-reduction and reduction-reoxidation specificity of heteropolyacid salts containing various kinds of alkali metals used for one-step oxidition of isobutyraldehyde to produce methacrolic acid was studied by ESR method.

用ESR法研究了异丁醛一步氧化制甲基丙烯酸过程中所用杂多酸盐催化剂的氧化-还原特性。

Oxidation of alkenes catalyzed by metalloporphyrin imidazolium salts in the presence of N-hydroxyphthalimide and isobutyraldehyde as co-catalysts provided the epoxidation product at room temperature. And the solvent with a weak coordinating ability such as acetonitrile gave the best result.

金属紫质咪唑盐於烯类的氧化催化反应上,若与NHPI及异丁醛共催化,可在室温进行环氧化反应,反应溶剂选择具有弱配位能力的乙腈,则可获得较佳结果。

The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. The total yield was 40.8%. The structure was confirmed by 1H NMR, 31P NMR and elemental analysis.

摘要以苯甲醛、异丁醛、三氯化磷为原料合成了新型的1,3,2-氧磷杂环类化合物2-苯羟甲基-5,5-二甲基-4-苯基-2-氧代-1,3,2-二氧磷杂环己烷,总收率为40.8%,并对其进行了NMR研究和结构表征。

Completion of the synthesis involved displacement of the remaining alcohol through a three-step, telescoped sequence featuring an efficient cleavage of an aryl mesylate, and a practical method for introduction of the isobutyric acid fragment.

完成剩余的位移所涉及合成酒精通过三个步骤不胜顺序展出了高效率的卵裂甲磺酸芳、而实际的方法引入异丁酸片段。

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