Ketones

<p>Vanillylacetone is a natural compound that belongs to the group of phenolic compounds. It is an inhibitor of the enzyme cyclase, which is involved in the biosynthesis of fatty acids and sterols. Vanillylacetone has been shown to have anti-tumor effects in mice with induced tumors. It also inhibits the growth of bacteria, fungi, and protozoa by inhibiting DNA synthesis. Vanillylacetone has been shown to inhibit nuclear DNA replication and toll-like receptor signaling pathways.</p>

<p>1'H-Spiro[cyclopentane-1,2'-quinazolin]-4'(3'H)-one is a pyrimidine with two conformations. The first conformation is a chair, which has an axial bond and four equatorial bonds. The second conformation is a boat, which has two axial bonds and three equatorial bonds. This molecule can form hydrogen bonds with other molecules in the same class. The systematic name of this molecule is (1-methyl-2-(2-(pyridin-2-yl)ethyl)-1H-benzimidazol-5-yl)methanol and it has six membered ring and five membered ring.</p>