Hydrocarbon Building Blocks

<p>Stability Highly Volatile<br>Applications Vinylcyclopropane is a useful synthetic intermediate. Vinylcyclopropane and its derivatives can participate in a variety of transition-metal-catalyzed multicomponent cycloadditions to produce five- to eight-membered carbocycles.<br>References Jiao, L., et al.: J. Org. Chem., 78, 6842 (2013); Pasto, D., et al.: Tetrahedron Lett., 9, 713 (1979); Larock, R., et al.: Tetrahedron, 52, 2743 (1996)<br></p>

<p>Applications 7-Octyn-1-ol is used in the synthesis of the sex pheromone of the citrus leafminer, Phyllocnistis citrella.<br>References Ando, T., et al.: Agric. Biol. Chem., 49, 3633 (1985), Beevor, P., et al.: J. Chem. Ecol., 12, 1 (1986), Kerr, D., et al.: J. Med. Chem., 33, 1958 (1990), McElfresh, J., et al.: Ecology, 82, 3505 (2002),<br></p>

<p>Volatile compound with banana scent</p>

<p>Hydroxypropanedial is a hydroxy group-containing compound that is not found in natural sources. It has antioxidative properties, which may be due to its ability to scavenge reactive oxygen species or donate hydrogen atoms to free radicals. The compound also has cyclohexane ring and carbonyl groups, which are responsible for the hydroxyl and carboxylic acid functionalities respectively. This substance is used as a chromatographic reagent to measure second-order rate constants of reactions involving hydroxyl radicals. Hydroxypropanedial absorbs light strongly at wavelengths shorter than 300 nm, which is the most effective wavelength range for uv absorption in biological systems.</p>

<p>Triisopropylsilyl trifluoromethanesulphonate (TIPS) is a naturally occurring compound that inhibits the enzyme dipeptidyl peptidase IV (DPP-IV). It has been shown to be active against alopecia areata in a mouse model and may have therapeutic potential for other autoimmune diseases. TIPS also has an inhibitory effect on sodium-dependent glucose transport, which may be useful in the treatment of hypertension. The reactive group of TIPS is hydroxyl, which can form a covalent bond with serine proteases and inhibit their activity. This reaction mechanism provides a new way to treat disorders such as metabolic diseases and infectious diseases. TIPS also has an inhibitory effect on ns3 protease, which is involved in the replication of human immunodeficiency virus type 1 (HIV-1) and other retroviruses.</p>

<p>Perfluoroheptanoyl chloride is a fluorinated hydrocarbon that is used as a surfactant in detergent compositions. It has been shown to be biostable, which means it does not react with other molecules in the environment. This compound also has low environmental toxicity because of its resistance to peroxidation and its ability to form stable complexes with metals. Perfluoroheptanoyl chloride has been shown to cause allergic reactions in some people and may cause adverse effects on animal health. Research on the effects of perfluoroheptanoyl chloride on Xenopus oocytes has demonstrated that this compound can affect gene expression and result in cell death.</p>