Methods: α-Bromo-4-benzyloxy acetophenone is synthesized with 4-hydroxy acetophenone and bromonium as materials and methanol as solvent.

  • 方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.
  • 来源:互联网摘选更新时间:2025-01-18 10:27:31

  • 重点词汇
  • synthesizedv.综合( synthesize的过去式和过去分词 );人工合成;(通过化学手段或生物过程)合成;(音响)合成;
  • materialsn.材料( material的名词复数 );布料;衣料;[哲学] 物质;
  • andconj. 和,与;而且;于是,然后;因此;
  • isvt.& vi. 是(be的三单形式);
  • asadv. 同样地,一样地;例如;
  • methanoln.甲醇;
  • withprep. 具有;和;用;有;以;跟;同;带有;使用;和…在一起;借;与…对立;关于;包括;因为;由于;与…方向一致;由…持有;为…工作;虽然;作为…的成员,为…所雇用;具有,有,带有;在…身上,在…身边;由于,因;在…那里,在…看来
  • 相关例句
1、

A method for the determination of 6-bromo-2-naphthol and 2-naphthol is described.

采用高效液相色谱法同时测定了6-嗅-2-萘酚和 2- 萘酚的含量.

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2、

Objective: A new approach to prepare α-bromo-4-benzyloxy acetophenone was introduced.

目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法.

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3、

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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4、

CONCLUSION: Bromocriptine has definite hypoglycemic effect. It's hypoglycemic mechanism may not be hyperglycemic hormone level.

结论: 溴隐亭对糖尿病人有明确的降糖作用, 其降糖机理可能不是改变升糖激素水平.

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5、

Aim To establish an HPLC for determination the content of bromocriptine mesylate Tablets.

目的建立高效液相色谱法测定甲磺酸溴隐亭片的含量.

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6、

Conclusions DSA technic bronchi artery visualization has great significance for interventional therapy to lung disease.

结论支气管动脉DSA造影技术对肺部疾病的介入治疗有重要意义.

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7、

Results Injuries of the trachea and bronchi were of high frequency in severe chest neck trauma.

结果严重胸部损伤病人通常伴有气管支气管损伤.

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8、

Bronchitis: Inflammation in the Bronchi of the lungs.

支气管炎: 肺部支气管的炎症.

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9、

The liquid fills air spaces in the bronchi and bronchioles.

这种液体充斥在支气管和细支气管群中的空气空间.

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10、

An asthma attack affects the bronchi and bronchioles in the lungs.

哮喘病发作时会影响肺部的支气管和细支气管.

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11、

However, the release of antibodies also inflames the bronchi and bronchioles.

然而, 抗体的产生也导致了了支气管和细支气管群的发炎.

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12、

Here is an oat cell carcinoma which is spreading along the bronchi.

正沿支气管蔓延的燕麦细胞癌.

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13、

The tumors usually arise from the main and lobar bronchi or trachea.

肿瘤大部分长在气管,主支气管,或叶支气管中,从肺节支气管长出的病例较为罕见.

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14、

The epithelium of the smaller bronchi was fragmented and partially desquamated.

较小支气管的上皮破裂和部分脱落.

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15、

The bronchi, in turn, branch again and again into ever-smaller bronchioles.

支气管依次分枝成许多非常小的细支气管.

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16、

The persistent inflammation leads to swelling of the terminal bronchi.

持续的发炎引起未端支气管肿胀.

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17、

The infiltration, inflammation around bronchia, and pleural effusion were early presentations, not distinguishable from common infections.

并殖吸虫病在不同的时期出现不同的胸部CT表现,浸润性和支气管周围炎样改变以及胸腔积液是感染的早期表现.

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18、

Aim : To study the diagnostic value of Exercise Histamine Induced Asthma ( EHIA ) for bronchial asthma.

摘要:目的: 探讨运动-组胺激发试验 ( EHIA ) 对支气管哮喘的诊断价值.

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19、

Seeding into the lung via the bronchial tree occasionally occurs.

也会偶见沿支气管树扩散至肺.

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20、

Bronchial responsiveness to methacholine was expressed as a continuous ariable, and analyzed by multiple regression.

并连续检测气道对乙酰甲胆碱的反应性, 结果进行多元回归分析.

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