Spiro-heterocyclic compounds are important branch of heterocyclic compounds, and play an important role on today's research and development of pesticides and medicines.
螺杂环化合物是杂环化合物的一大重要分支，在当今农药和医药的研究与开发中都占据着重要的地位。
2
The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.
本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。
3
Described herein are compounds that have a spiro structural feature.