烷基自由基对羰基进行进攻,生成双环的羰自由基中间体。
This radical attacks the carbonyl group to an intermediate bicyclic ketyl.
考察贵金属在羰化过程中的行为。
Behaviour of precious metals in carbonyl process was investigated.
考察了乙炔高压羰化合成丙烯酸时沉积物的形成。
The factors of formation of sediments in the carbonylation of acetylene to acrylic acid under high pressure have been investigated.
并详细评述了山西煤炭化学研究所的糠醛脱羰制呋喃的新工艺。
A novel technique for preparing furan through decarbonylation of furfural developed by shanxi institute of coal chemistry was described in detail.
并详细评述了山西煤炭化学研究所的糠醛脱羰制呋喃的新工艺。
A novel technique for preparing furan through decarbonylation of furfur al developed by shanxi institute of coal chemistry was described in detail.
研究了几种单齿和双齿含氮配体在氧化羰化反应中的助催化性能。
The promotion effects of N-donor ligands for catalytic oxidative carbonylation of methanol were studied.
以己二酸二乙酯为原料,经狄克曼反应合成2-羰环戊基甲酸乙酯。
Synthesis of 2-(ethoxycarbonyl) cyclopentanone by Dieckmann reaction with diethyl adipate as raw material was studied.
络合反应使一氧化碳活化,因此,金属羰合物是有机合成中的优良催化剂。
Complexing reaction activates the carbon monoxide, so that the metallic carbonyl complexes are excellent catalysts in the organic synthesis.
本课题探讨了以廉价的甘蔗糖蜜为原料,通过羰氨反应制备香料的工艺技术。
In this paper, sugarcane molasses was taken as a raw material to produce flavor according to Maillard Reaction.
探索了杂多酸和杂多酸的四丁基铵盐对氧化羰化双酚A直接合成聚碳酸酯的促进作用。
The selected heteropolyacids and their tetrabutylammonium salts were explored as a promoter in the oxidative carbonylation of bisphenol A.
报道了一系列铜与含氮、氧、磷配体形成的配位催化剂用于甲醇氧化羰化合成碳酸二甲酯的研究结果。
Oxidative carbonylation of methanol to dimethyl carbonate catalyzed by a series of copper complexes bearing ligands with nitrogen, oxygen and phosphine donors is reported.
羰化反应条件下考察了异戊二烯、1-辛烯、环戊二烯、混合碳五馏份及脱去环戊二烯的碳五馏份的羰基合成反应。
The hydroformylation of isoprene, 1 octene, cyclopentadiene, and C 5 distillate where cyclopentadiene has been removed is studied under the hydroformylation conditions(6.
其特征在于 采用常压加酸预浸、再加压氧浸出,将羰化合成残渣中的贱金属浸出,过滤分 离得到固体贵金属精矿。
The process is acid adding pre-leaching at normal pressure, pressurized oxygen leaching to leach out base metals and filtering separation to obtain solid noble metal concentrate.
一种回收羟化冶金残渣中贵金属的方法,涉及一种从羰化合成残渣中分离贱金属,浸出分离金银及铂族金属,产出稀有贵金属精矿的方法。
The process of recovering noble metals from carbonyl metallurgical residue includes separating out base metal, leaching out Au, Ag and platinum metals and producing rare noble metal concentrate.
甲醇氧化羰化羰化法是合成dmc的一种新工艺路线,该工艺与传统的光气法工艺相比,具有工艺流程简单、无三废污染及生产成本低等优点。
Compare to the traditional phosgene process, synthesis of DMC by oxidative carbonylation of methanol is more favorable because of its simple, environmental benign and cost-effective characters.
甲醇氧化羰化羰化法是合成dmc的一种新工艺路线,该工艺与传统的光气法工艺相比,具有工艺流程简单、无三废污染及生产成本低等优点。
Compare to the traditional phosgene process, synthesis of DMC by oxidative carbonylation of methanol is more favorable because of its simple, environmental benign and cost-effective characters.
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