A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.
介绍了以甲醛、丙醛为原料，水为反应介质，碱催化进行交叉康尼扎罗反应制备三羟甲基乙烷的方法。
Chitosan react with vanillin aldehyde by Schiff's base reaction in water, a polymer product-VCG can be prepared.
在水溶液中，壳聚糖与香草醛发生希夫碱反应，生成改性壳聚糖vcg。
Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel .
反应是在装有分馏柱的反应器中进行的，分馏柱能让醛通过但使醇回流到反应器中。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate. The detailed reaction conditions have been discussed, satisfactory results are obtained.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸，合成茴香酸甲酯。对合成条件进行了研究，取得了满意的结果。
The optimum reaction conditions for preparing cashew phenol aldehyde resin adhesive by cashew oil instead of phenol aldehyde were investigated.
研究了用腰果油部分替代苯酚制备腰果酚醛树脂胶的最佳反应条件。
The effects of mole ratio between resorcinol and phenol, also between phenol and aldehyde , original reaction time on gel time and shear strength were studied.
考查了间苯二酚与苯酚物质的量比、酚与醛物质的量比、预反应时间等因素对胶粘剂凝胶时间与剪切强度的影响 ；
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。
Some effects of several factors on the reaction were investigated such as the type of catalyzer and aldehyde, the ratio of reactants. The yield of 1,2-epoxycyclohexane reached 94%.
并且通过对影响此反应的催化剂种类、醛的种类以及反应物配比等主要因素的考察， 可使环氧化反应产物1 ， 2 - 环氧环己烷的收率最高可达94 ％ 。
Aldehyde containing functional groups can react with allyl iodine and tin directly, water is of no advantage to the reaction.
含活性基团的醛可与烯丙基碘和锡粉直接进行亲核加成反应，得到高烯丙基型的醇。水的存在不利于此反应的进行。
Occurred in the main reaction on the aldehyde oxidation, hydrogenation, condensation, de-carbonyl, etc.
发生在醛基上的反应主要有氧化、氢化、缩合、脱羰基等；
The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.
脲醛树脂由尿素、甲醛、二醛和一种或多种稳定剂、改性剂，按照弱碱-弱酸-弱碱 的路线反应而得。
The addition-hydrolysis reaction was applied to the synthesis of unsaturated aldehyde by the -reaction of 2-H benzimidazolium iodide with alkenyl magnesium bromide.
对2-H苯并咪唑盐与烃基为不饱和取代基的格利雅试剂的加成-水解反应进行了研究，将此反应应用到不饱和醛的制备。
This reaction involves disproportionation of the aldehyde.
有任何副作用的反应吗？
This reaction involves disproportionation of the aldehyde.
有任何副作用的反应吗？
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