Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.

手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.

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Ligand 3 b gave higher enantioselectivity ( up to 96 % ee ) and chemical yield.

在配体3b催化的苯乙炔对醛的不对称加成反应中,产物的ee达到96%.

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The addition reaction of 1 , 3,2 - benzodiazaphosphorin - 4 ( 1 H ) - one 2 oxides with has been studied.

本文研究了2,4-二 氧 代-1,3,2-苯并二氮磷杂环己烷的磷氢键对β - 硝基苯乙烯、丙烯酸酯 、 丙烯 腈 及二硫化碳的加成反应,共合成了18个新的加成产物.

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The photocycloaddition between 8 - methoxypsoralin ( 8 - MOP ) and cyclohexene has been studied previously.

我们曾研究了8-甲氧基呋喃并[3′,2′∶6,7]香豆素 ( 8-MOP ) 与环己烯的光环合加成反应.

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The key step was a substrate controlled asymmetric heteroatom conjugated addition.

关键反应为底物控制的不对称杂原子共轭加成反应.

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It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition.

采用乙二胺和乙烯磺酸钠为主要原料,经过加成反应合成了乙二胺双乙基磺酸钠.

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Two new compounds , N � � - tetrazolyl - N - substitutedphenoxy acetyl thiourea were synthesized by addition reaction of substitutedphenoxy acetylisothiocyanates with 5 - amino - 1,2, 3,4 - tetrazole.

通过4-氯苯氧乙酸 、 2,4-二氯苯氧乙酸与硫氰酸钾反应合成取代苯氧异硫氰酸酯,再分别与 5- 氨基 -1,2, 3, 4- 四氮唑发生亲核加成反应,合成了2种未见报道的酰基硫脲衍生物.

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Triflumuron was synthesized by the reaction phenyl isocyanate and o - chlorobenznyel amide. The total yield was 77 %.

采用以对三氟甲氧基苯胺和光气为原料合成的异氰酸酯与邻氯苯甲酰胺加成反应制备杀铃脲, 产品总收率约77%.

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The effect of acidity on synthesis of phenylbiguanide additive reaction of aniline with dicyandiamide was studied.

研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.

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Abstract: The kinds, structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed.

文摘: 综述了硅氢加成反应中高分子金属催化剂的种类 、 结构及其催化性能.

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A silicone - polyether copolymer was synthesized by the hydrosilylation of silicone oil containing hydrogen and unsaturated polyether.

以含氢硅油与不饱和聚醚的硅氢加成反应合成有机硅聚醚共聚物.

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The modified cure agents were mixed with epoxy resin and used to bond ABS plastic.

经迈克尔加成反应,用丙烯腈制作了一系列改性多元胺固化剂,将其与双酚A型 环氧树脂配合,用于粘接ABS塑料.

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In refluxing acetonitrile, water could also undergo the similar addition with alkenyl perfluoroalkyl sulfones.

在回流的乙腈中水也可与氟烷基联烯砜发生类似的加成反应.

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