heterocyclic compound

Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.

吗啡: 杂环化合物, 从鸦片分离出的麻醉性镇痛药镇痛药生物碱.

TMC is widely used in carbohydrate chemistry and peptide chemistry as Condensation reagent or dehydrating agent but few in synthesis of heterocyclic compound.

TMC作为脱水剂和缩合试剂被广泛应用于糖类化学和肽类化学中，对于将其作为底物合成杂环化合物的应用很少。

A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.

杂环化学复合物，由一个金属离子与两个或两个以上非金属离子构成配位键。

Results show that penems of which the C-2 position modified by ferrocene groups exhibited superior or equivalent antibacterial activities compared with faropenem. In particular, the compound 22h which having a ferrocene heterocyclic group shows the most potent antibacterial activities.

结果显示，C-2位被二茂铁基团取代的青霉烯类化合物的抗菌活性优于法罗培南或与其相当，尤其是含有二茂铁杂环取代基的化合物22h抗菌活性显著。

Alder. Along with the development of the science and technology, Intramolecular Diels-Alder reactions and Hetero-Diels-Alder reactions appear. They are important methods of synthesis of hexatomic ring and hexabasic heterocyclic compound.

随着科技的发展，又出现了分子内的Diels-Alder反应以及杂Diels-Alder反应，它们是有机化学中合成六元环状化合物、六元杂环化合物的重要手段。

HH-3 S is a heterocyclic compound, transparent acidic fluid.

HH-3S是一种杂环化合物 、 透明酸性液体.

Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.

合成了无硫、磷的六元含氮杂环化合物添加剂.