查询词典 ar-methoxy-benzylidene

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苄叉丙酮为主光亮剂、OP-10为载体光亮剂，并加入适量的辅助光亮剂，复配出Zn-Mn合金电镀添加剂ZM。

RCM reactions of 49 and 50 are chosen to evaluate the catalytic performance ofthe complexes 46-48 because they are informative and simple to manipulate. The resultsindicated that ruthenium benzylidene complexes 46 and 48 possess significant thermalstability and cyano group tolerance.

由于烯烃49、50的闭环交互置换反应简单、清晰，故用来考察新钌卡宾配合物的催化性能，结果表明配合物46、48具有良好的热稳定性及耐氰基性能。

Methylpyridine-coordinated ruthenium benzylidene complex 62 shows thehighest catalytic activity. TOF=960 h~(-1) is achieved during RCM reaction of 50, TOF=4 h~(-1)is obtained during the CM reaction of acrylonitrile with 1-decene.

其中，2-甲基吡啶配位的钌卡宾配合物62的催化活性最高，在催化烯烃50闭环交互置换反应时TOF可达960 h~(-1)；催化丙烯腈与1-癸烯交叉交互置换反应时TOF达到4 h~(-1)。

Although these inhibitors including 19 compounds of benzylidene malononitrile family and 13 compounds of 3-substituted indolin-2-ones family, possess quite different structures,a common pharmacophore model with very good stratistical results was determined.

尽管亚苄基丙二腈化合物和3-取代吲哚啉-2-酮系列化合物具有完全不同的骨架结构，但得到的药效团却具有共同的特性，这表明当这两类抑制剂和受体发生相互作用时，采用了相似的结合模式。

Test of electrochemical methods Benzylidene acetone, formaldehyde, compound additive D, ammonium metavanadate solution of acid sulfate tin polarization curves, test ammonium metavanadate on the open circuit potential acid sulfate solution of tin.

用电化学工作站测试分析苄叉丙酮、甲醛、复合添加剂D、偏钒酸铵对酸性硫酸盐镀锡溶液的极化曲线的影响，测试偏钒酸铵对酸性硫酸盐镀锡溶液开路电位的影响。

A novel method of deprotection of benzyl and benzylidene acetal groups with K/tBuNH2/tBuOH/THF/18-crown-6 system was discovered and investigated.

四、发现并开发了K/〓BuNH〓/〓BuOH/THF/18-crown-6体系脱苄基和缩苯甲醛的反应，提出了可能的反应机理。

Inaddition, an unexpected synthesis of an α,β,γ,δ-unsaturated ketone due to an abnormalopening of benzylidene acetal by bromide anion was achieved.

另外，在合成BC环的过程中，由于一步反常的溴负离子开苄叉反应，我们还意外地合成了一个α，β，γ，δ-不饱和酮化合物。

In addition ,nine new O,O-dialkyl-[α-(1,3,4,6-tetraacetyl-2-deoxy-β-D-glucoamino)-p-methyl benzlidene] phosphonatesand eight O,O-dialkyl-α-(2-deoxy-D-glucoamino)-p-methyl benzylidene phosphonates were prepared. The 〓 and〓 spectra of Ⅰ-Ⅴ compounds indicated clearly that each of Ⅰ-Ⅴ compounds contains two diastereo-isomers.

我们对非对映异构体的分离方法进行了研究，并分离得到了五个单一构型的异构体〓、〓、〓、〓和〓，培养出了〓、〓和〓三个异构体的单晶，通过X-射线衍射分析，确定了〓、〓和〓三个异构体的绝对构型，反应过程中引入的手性原子的构型均为R构型。

Di(3,4-dimethyl)benzylidene xylitol as synthesized in the lab from 3,4-dimethyl benzaldehyde and xylitol, and a series of polypropylene samples were prepared based on the amount of the nucleating agent, DMDBX used.

以3，4-二甲基苯甲醛和木糖醇为原料合成1，3-2，4-二（3，4-二甲基）亚苄基木糖醇，将DMDBX作为成核剂使用溶液沉淀法制备DMDBX质量分数分别为0、0.1%、0.3%、0.5%、0.7%、0.9%的聚丙烯样品，采用红外光谱仪、差示扫描量热仪、X射线衍射仪和偏光显微镜等方法，研究了DMDBX对PP结晶结构和结晶性能的影响。

The mixed trimeric compounds containing one ferrocene unit, N,N'-bis(2-hydroxy-5-substituted benzylidene)ferrocenylmethylenediamine, have been synthesized directly through the reaction between 1 mol of ferrocenecarboxaldehyde and 2 mol of 5-substituted salicylaldehyde.

通过甲酰基二茂铁与取代水杨醛和氨反应，直接合成了含一个二茂铁的混合三聚产物， N，N'-二[2-羟基-5-取代苄烯]二茂铁甲二胺。

And he is one of the few scouts who are occasionally sent out to have dealings with other peoples.

而他也是少数的几位偶尔会被派出去和外界人打交道的巡逻人员之一。

The sons of Hebron: Korah, Tappuah, Rekem and Shema.

希伯仑的儿子是可拉，他普亚，利肯，示玛。