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己酸

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Cis-3-hexen-1-ol, butyl acetate, ethyl butyrate, hexanal, trans-2-Hexen-1-al, propyl propionate that consists of green leaf volatiles and cymene were the most attractive compounds.

顺-3-己烯醇、乙酸丁酯、丁酸乙酯、丙酸丙酯及伞花烃等对光肩星天牛具有较强的正趋性反应。

Hydroxyl octanoic acid(1) was synthesized from heptaldehyde by a four-step reaction of nucleophilic substitution,displacement reaction,acid hydrolysis and deaminization.

以正庚醛为原料,经过亲核取代、置换反应、酸水解及碱化脱氨等4步反应合成了制备3,6-二己基-1,4-二氧杂-2,5-二酮的中间体——α-羟基辛酸(1);1经对甲苯磺酸催化脱水得辛交酯。

And then the title compound was synthesized through reacting of 5-fluorouracil with hexyl isocyanate in the presence of 4-(N,N-diethylamino)pyridine as catalyst.

以正庚酸、氯化亚砜和叠氮化钠为原料,通过酰化、库尔提斯重排反应制备异氰酸己酯,然后在4吡啶催化下与5氟尿嘧啶缩合得到抗癌药物卡莫氟,总收率75.4%。

In this article, different soft templates formed by sodium bis (2-ethylhexyl) sulf-osuccinate, nonyl phenol polyethyleneoxy ether (Oπ-10) and cetyltrimethyla- mmonium bromide were used to fabricate CaCO3, BaCO3 and CeO2/CuO nanoparticles with different morphology.

本文分别利用丁二酸二(2-乙基己基)酯磺酸钠、壬基-酚基-聚乙氧基醚(Op-10)和十六烷基三甲基溴化胺形成的不同软模板合成了具有不同形貌的CaCO3, BaCO3和CeO2/CuO纳米粒子。

The mortality of mice from tartar emetic was observed after concomitant injections of 5 testing drugs (procaine-HCl, sodium phenyl acetate, sodium αα'-dimercaptoadipate, sodium mercaptosuccinate and sodium thiosulfate).

二普鲁卡因、苯乙酸钠、aa′-二巯基己二酸钠及巯基丁二酸钠能使小鼠腹腔注射吐酒石急性及亚急性中毒死亡率明显地减低,而硫代硫酸钠则无效。

Second, using DBU as the base for enolization of propargylic esters of unsaturated acids 18e-k, we developed a tandem Ireland-Claisen rearrangement /isomerization reactions. It has been shown that the reaction sequence affords triene molecules 42a-b and 43a-b in moderated to high yields. Interestingly, with allyl hexa-3,5-dienoates 18i-j as the substrate, the rearranged products underwent further aromatization to give uniquely substituted benzyl acids 44a-b.

其次,以含有活泼质子的烯酸炔丙酯18e-k为底物,在DBU为烯醇化碱、TMSCl为硅试剂的条件下,底物18e-h发生了Ireland-Claisen重排/异构化串联反应,得到完全共轭的三烯类化合物42a-b及43a-b;而以己二烯酸炔丙基酯18i-j为底物时,重排/异构化后的产物进一步发生电环化等反应最终得到芳构化产物——取代苯甲酸类化合物44a-b。

Three powders were used: adipic acid, microcrystalline cellulose, and glycine.

3粉使用:己二酸、微晶纤维素、甘氨酸。

Potassium, natrium determines it is good that use ion chooses electrode indirect method it is better also with indirect method to determine at calcium of direct way;, it is next occasionally phosphor of; of law of azotic arsenic Ⅲ determines use phosphor molybdic acid is ultraviolet law outcome is better it is better with result of law of personal candy kinase that; blood sugar determines; urea determines use Niao enzymatic ultraviolet anhydride of better; flesh uses rate law result enzymatic law outcome is better; albumin determines, it is vanadium acid next alkalescent phosphoric acid of oxidation law; is enzymatic determine outcome of fluid of use AMP amortize is better; amylase determines law of thing of enzymatic standard background and iodic colorimetric law coefficient of variation all bigger, former a bit small, latter of percent of pass is tallish, each lab can try to choose according to his condition.

结论钾、钠测定使用离子选择电极间接法好于直接法;钙测定用间接法也较好,其次是偶氮砷Ⅲ法;磷测定使用磷钼酸紫外法结果较好;血糖测定用己糖激酶法结果较好;尿素测定用脲酶紫外速率法结果较好;肌酐用酶法结果较好;白蛋白测定用溴甲酚绿法较好;胆红素测定用酶法结果好,其次是钒酸氧化法;碱性磷酸酶测定使用AMP缓冲液结果较好;淀粉酶测定酶法底物法和碘比色法变异系数均较大,前者稍小,合格率后者稍高,各实验室可根据自己的条件加以选用。

In order to further understand combining characteristic of cyclohexyl methylphosphonofluoridate and isopropyl methylphosphonofluoridate and contribute more scientific data for its medical protection, the potency of inhibition of acetylcholinesterase activity induced by GF, GF+GB and the effects of reactivation by oximes pyramidoxime monohydrate(HI-6) and pyridine-2-aldoxime methylchloride(2-PAM-Cl) in rat brain were investigated with DTNB microanalysis in this study.

为进一步了解甲氟膦酸环己酯与甲氟膦酸异丙酯的联合特性,为制订医学防护措施提供更多的理论依据,用微量DTNB法对GF,GB和GF与GB混合对大鼠脑乙酰胆碱酯酶的抑制及肟类重活化剂酰胺磷定(HI-6)和氯磷定(2-PAM-Cl)的重活化作用进行了研究。

Experiments for deacidification of cyclohexanecarboxylic acid on MgO catalyst were carried out in a fixed bed unit and the effects of temperature, space velocity and the size of catalyst on the catalytic deacidifcation were investigated.

在固定床评价装置上对MgO进行了环己基甲酸脱酸试验,考察了温度、空速和催化剂颗粒尺寸对MgO催化脱酸反应的影响。

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