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Bromination takes place less readily.

溴化反应较不易发生.

辞典例句

This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxymethoxybenzaldehyde through bromination.

再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.

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This bromination was unambiguous.

这一溴代反应是明确无疑的.

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The tetrabromobisphenol a new kind of flame retardant is prepared bromination of bisphenol A.

四溴双酚A是 一种用途较多的新型阻燃剂,可用双酚A经溴化合成.

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Tinidazole was synthesized from metronidazole by bromination, thiolation and oxidation with total yield of 44.6 %.

以甲硝唑为原料,经溴化 、 硫醚化和氧化合成替硝唑,总收率44.6%.

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A new process was developed to synthesize 2 nitrobenzyl alcohol from 2 nitrotoluene by catalytic bromination.

研究了邻硝基甲苯经催化溴化合成邻硝基苯甲醇工艺.

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Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

反式肉桂酸乙酯经溴化 、 脱溴化氢 、 甲酯化和催化氢化合成了顺 式 肉桂酸甲醇.

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Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination overall yield.

以水杨醛为原料,经缩合 、 还原 、 酰化 、 脱甲基、溴化反应制得苯溴马隆,总收率40.6%.

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Methods: The target compound was synthesized through bromination and thioetherification from 4 - methoxyacetophenone as a starting material.

方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.

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The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.

研究了以1,4-萘醌为原料,通过溴代 、 氰化和O-烷基化三步合成1,4-二烷氧基萘-2,3-二甲腈.

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During baking, bromates are completely reduced to bromides with no bromination of flour constituents.

在焙烤过程中, 不用通过面粉各组分的溴化作用,溴酸盐也会全部彻底地还原成溴化物.

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METHODS: The target compound was prepared by the bromination and amination reaction.

方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.

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