key intermediate

Research Progress in Synthesis of Angiotensin-converting Enzyme Inhibitor Fosinopril Sodium and Key Intermediate

ACE抑制剂福辛普利钠及关键中间体合成研究进展

Erythromycin A 9 ( 1 isopropoxycyclohexyl ) oxime is the key intermediate for the synthesis of clarithromycin.

在克拉霉素合成工艺中,红霉素肟的醚化保护是最重要的一步.

The key intermediate, Ethyl 4-( 4-ethoxy-4-oxobutyl) benzoate ( 6), was obtained from benzene via Friedel-Crafts acylation, Huang reduction, saponification followed by acidification and esterification in 36.6% yield.

以苯作为起始原料，经过Friedel-Crafts酰基化反应、黄鸣龙还原、皂化和酯化等合成了其关键中间体4-（4-乙氧基-4-氧正丁基）苯甲酸乙酯（6），收率为36.6%。

Sucrose-6-acetate is the key intermediate for synthesizing trichlorosucrose as sweetening agent.

蔗糖-6-乙酸酯是合成甜味剂三氯蔗糖的关键中间体.

As the key intermediate of glucocorticoid-an anti-SARS drug, sitosterol will witness dramatically increasing market demand.

谷甾醇是 抗 非典药糖皮质激素的关键中间体,其市场需求量将显著增长.

The goal of our roadmap is supported by a key intermediate outcome: designers at all levels must make design decisions that are better for value added than those they make today.

我们的路线图的目标被一个关键中间结果所支持：所有层次的设计者必须做出在增加价值的意义上比他们今天所做出的决定更好的设计决定。

Steroid hormone is an important category in our pharmaceutical industry, and androstenedione is an indispensable key intermediate of steroid hormones.

甾体类激素药物是我国医药领域的重要门类，雄甾烯二酮（AD）是甾体激素类药物不可替代的中间体。

The chemical kinetics process of dimethyl ether oxidation at high temperature was obtained by analyzing the reaction rates of the key elementary reactions, the key intermediate species and radicals.

通过分析在内燃机压燃燃烧边界条件下二甲醚高温氧化反应过程中的关键基元反应速度、关键中间产物以及自由基的浓度随曲轴转角的变化，得到了二甲醚燃烧氧化的高温反应途经。

In seven steps, the key intermediate epoxy compound, to build cycle carbon-skeleton of Lycorine-type alkaloids, is synthesized in a total yield of 49.3%.

经七步反应，以49.3%的总收率得到构筑Lycorine型生物碱环碳骨架的关键中间体环氧化合物。

Process development of cefazolin sodium: solvation of the key intermediate, TDA

头孢唑林钠中间体TDA溶剂化物的工艺改进

Synthesis Study of a Key Intermediate of Atorvastatin Calcium Side-chain and Chiral Separation of β-amino Acid Derivatives by HPLC

阿伐他汀侧链中间体合成研究和β-氨基酸衍生物的高效液相色谱手性拆分