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- Aim To develop a new synthetic route to salmeterol. 目的研究开发平喘药沙美特罗的新合成路线。
- Aim To design a new synthetic route of cefoperazone sodium. 目的设计新的头孢哌酮钠的合成路线。
- Objective:To establish a low-cost synthetic route of thymopentin. 目的:研究免疫增强剂胸腺五肽的合成路线,以降低合成成本。
- Objective:To improve synthetic route of simvastatin. 目的:合成降脂药辛伐他汀。
- The synthetic route and improved process for the preparation of pazufloxacin mesilate were studied. 研究氟喹诺酮类抗菌剂甲磺酸帕珠沙星的合成路线及工艺。
- A convenient synthetic route to 5 - aryl - 3, 5 - diethoxy -2(5H) - furanones has been developed. 提出了一条方便地制备5-芳基-3,5-二乙氧基-2(5H)-呋喃酮化合物的合成路线,并对合成路线的反应机理进行了研究。
- Objective To explore a simple synthetic route of valganciclovir for its further development. 目的探索更简便的合成缬更昔洛韦的工艺路线,为进一步研究开发提供基础。
- Meanwhile it provides a new synthetic route for neutral bisguanidinate lanthanide iodides. 该反应表明环戊二烯基配体及其替代物胍基配体的反应性差异，同时也为合成中性的二胍基稀土卤化物提供了有效的新方法。
- The most economic and reasonable synthetic route is useful for the synthesis of the sort of sulfonylurea weedicide. 氟嘧黄隆是一种苯磺酰脲类除草剂,具有高效、低残留、选择性高的优点。
- Properties and synthetic route of crotonaldehyde are reviewed. Development and applications are described. 综合介绍丁烯醛的性质、工艺路线并对今后的研究课题和应用前景加以讨论和展望。
- As podophyllotoxin complex structures, and its long line of synthetic route widespread, low-yield shortcomings. 由于鬼臼毒素结构复杂，其合成路线普遍存在路线长，产率低等缺点。
- The new synthetic route for tetrahydrofuran via direct oxidation of butadiene was introduced. 介绍以丁二烯为起始原料、经乙烯基环氧乙烷制备四氢呋喃的新工艺。
- This synthetic route has advantages of brief reaction steps, convenient manipulation and high product selectivity for trans resveratrol. 该合成路线反应步骤少、作简便、成反式目标产物的选择性高。
- In this paper, several aspects of PUD advance are summarized, including synthetic route, its preparation, biological activity and practical application. 本文对其合成方法、新产品的研发、生物活性和实际应用等方面的研究进行了简要综述。
- The operation of new synthetic route is simple. The total yield is 37.7% which increased 8.5% than literature. The raw material is easy to get. 新工艺操作简单，总收率达37.;7%25较文献提高8
- Supersonic technique was introduced into the synthetic route of resorcinol-formaldehyde (RF) aerogel to shorten the fabrication period. 摘要在间苯二酚类有机气凝胶的制备工艺中引入超声波技术，缩短了有机气凝胶制备周期。
- RESULTS: Synthetic route was shorten by one step, the yield of etherification increased by 20% or more as compared with the yield in literature. 结果:使合成路线缩短一步,醚化收率比文献值提高20%25以上。
- Results:The structure of the target compound was confirmed by MS and 1H-NMR.Conclusion:Olopatadine was obtainable by this synthetic route. 结果与结论:合成了目标产物,其结构经MS和1H-NMR确定。
- The recent scale and progress of ADCA production, two - step synthetic route and uses in five main fields are presented. 介绍ADCA目前的生产规模和进展、两步法合成路线及5大方面的应用.
- The results showed that the synthetic route was simple and the product had a high purity.The solution of stannous sulfamate was clear and stable. 结果表明，合成工艺合成路线简单，产品纯度高，产品水溶液清澈透明，稳定性好。
