Building Blocks de hidrocarburos

<p>S04790 - 1-Chloro-5-Triethylsilyl-4-Pentyne</p>

<p>S25262 - O-(Propargyl)-N-(triethoxysilylpropyl)carbamate (inhibited with MEHQ)</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>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>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>1,2-Ethanedithiol is a molecule that consists of a sulfur atom and two ethyl groups. It can form stable complexes with hydrogen fluoride and trifluoroacetic acid as well as hydrochloric acid. 1,2-Ethanedithiol is reactive with nucleophiles such as amines, thiols, and alcohols. The molecule has an electrochemical impedance spectroscopy (EIS) model system that has shown to react with the electron flow from the electrode to the solution of a compound. The EIS model system also showed that a conformational change in the molecule could result in light emission.</p>

<p>Methanesulfonic anhydride is a white crystalline solid that is soluble in water and ethanol. It has been shown to be a potent inhibitor of acetaminophen metabolism and the formation of reactive metabolites. Methanesulfonic anhydride inhibits the metabolic activity of cytochrome P450 enzymes, which are responsible for the oxidation of acetaminophen. This inhibition leads to lower levels of toxic metabolites and less tissue damage. Methanesulfonic anhydride also modulates other assays, such as those for nitric oxide synthase and prostaglandin E2 receptors. Methanesulfonic anhydride is used as a catalyst in chemical reactions, including those that produce hydrogen sulfide gas for use in gold mining. It has also been used to study the localization of various proteins by using probes labeled with methanesulfonic anhydride. Methanesulfonic anhydride may cause hypertension due to its ability to inhibit the degradation of norepinephrine, leading to increased</p>

<p>Paraffin oil is a mixture of hydrocarbons that is liquid at room temperature and pressure. It has been shown to inhibit the growth of human osteosarcoma cells in vitro, with a potency corresponding to that of delphinidin, a natural compound found in plants. Paraffin oil also has an inhibitory effect on the mitochondrial membrane potential and on the release of pro-inflammatory cytokines such as TNF-α and IL-6 by HL-60 cells. This inhibition may be due to the ability of paraffin oil to bind to Toll-like receptors (TLRs). The molecular mechanism underlying this inhibition remains unknown. Paraffin oil can be used as a model system for epigenetic modulators because it induces histone acetylation, which alters gene expression.</p>

<p>Bis[(pinacolato)boryl]methane is a bifunctional organoboron reagent with an allyl group on one end and a cyclopropane on the other end. It is useful in organic synthesis as a nucleophile for allylation, as well as for the synthesis of unsymmetrical cyclopropanes. This compound can be used to catalyze asymmetric methods, such as the synthesis of alicyclic compounds. Bis[(pinacolato)boryl]methane can also be used to synthesize biomolecules.</p>