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Abstract: One-pot synthesis method of diarylmethylamines was investigated using aryl lithium salt,thioformamide and aryl Grignard reagent.

摘 要: 由基锂盐、硫代甲酰基格氏试剂一锅法合成了取代二基甲

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The title compounds containing trifluoroethoxy groups in the aryl sulfonyl rings and aroyl rings have been synthesized.

合成了磺酰基环及酰基环上含有三氟氧基的标题化合

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Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.

合成了四个从葡萄糖及半乳糖衍生的手性双膦配体,制备了手性双膦-铑(Ⅰ)配合催化剂,并将其用于苯对称氢甲酰化反应中。

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As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

空间位阻越小,亲核性越强,副反应越容易发生,产除草活性越低。

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The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成二苯(烷)类化合的重要途径.

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By the reaction of 2 aryl 5 mercapto 1,3,4 triazoles with alkyl dihalide in presence of dilute base, ten new title compounds had been prepared.

以2--5-巯基-1,3,4-三唑为原料,在稀碱存在下与二卤代烷反应合成了10个新的标题化合

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经济学人-科技

PCBs do their damage by binding to a protein called the aryl hydrocarbon receptor, or AHR, thus stopping it working properly.

PCB的危害来源于它们种称芳香(AHR)的蛋白质,从而停止该类蛋白的正常运转。

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bear in mind, bear market, bear off, bear sth in mind, bear sth or sb out, bear up, bear up sth, bear upon, bear with sb, bear witness,

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3G, 401(K), a,
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