The molecular structure of cyclobutane has four carbon atoms, and its four carbon atoms are not in the same plane, which is the folded conformation of cyclobutane. Cyclobutane itself is not of commercial or biological interest, but more complex derivatives are important in biology and biotechnology. Currently, nine FDA-approved drugs contain the cyclobutane structure. From the perspective of therapeutic areas, cyclobutyl drugs are mainly distributed in popular areas such as tumors, neurological diseases, infectious diseases, endocrine and metabolic diseases.
Cyclanes are secondary metabolites that can be found in plants, and are also biochemicals that can be used in medicine. Cyclanes are found in pine trees, and are used in the making of plastics. Cyclenes are found in cinnamon, and have antifungal properties.
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