• The oligomerization of 1-butene and 2-butene catalyzed by large pore sulfonated polystyrene resins was conducted in a 200ml stainless steel autoclave.

    本文聚苯乙烯磺酸树脂为催化剂进行1-丁烯2-丁烯齐聚反应;

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  • METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.

    方法以1,4-丁烯二醇为原料,经过酯化环氧化、氨解开环四碘对苯二甲酰反应合成目标产物。

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  • The reaction mixture then undergo esterification and rearrangement reaction to prepare 1-chloro-2-methyl-4-(acetyloxy)-2-butene, which is a important intermediate of vitamin A.

    反应混合物可以进一步酯化重排制备维生素A中间体1--2-甲基-4-乙酰氧基-2-丁烯。

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  • The reduction step of catalyst with butene-2 and reoxidation step of reduced catalyst with oxygen were investigated by the pulse method.

    脉冲研究催化剂丁烯- 2还原还原催化剂用再氧化步骤

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  • In addition, alkaline ligands can prevent isomerization of 1 butene to 2 butene effectively.

    另外碱性体能有效地防止1 -丁烯异构成2 -丁烯。

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  • The condensation compound was synthesized by 2 butene 1, 4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.

    将异丁1,4丁烯二醇缩合得到产物二氧七环,对产物进行了元素分析IR分析

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  • The preparation of polypropylene alloy by 2-stage heterophase catalytic copolymerization of ethylene, propylene and 1-butene on spheric Ziegler-Natta catalyst had been studied.

    采用球形Z-N催化剂使用乙烯丙烯1-丁烯作为共聚单体,分步聚合催化合成了三元多相共聚聚丙烯

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  • The preparation of polypropylene alloy by 2-stage heterophase catalytic copolymerization of ethylene, propylene and 1-butene on spheric Ziegler-Natta catalyst had been studied.

    采用球形Z-N催化剂使用乙烯丙烯1-丁烯作为共聚单体,分步聚合催化合成了三元多相共聚聚丙烯

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