PPT-Ethers and Epoxides 1

Ethers and Their Relatives An ether has two organic groups alkyl aryl or vinyl bonded to the same oxygen atom ROR Diethyl ether is used industrially as a solvent Tetrahydrofuran THF is a solvent that is a cyclic ether . For more than 60 years these versatile products have played an important role in a host of applications from construction products ceramics and paints to foods cosmetics and pharmaceuticals For construction products cellulose ethers act as thickener Bergische Universit Thiols. , Phenols, . And Ethers. IUG, . Fall . 2013. Dr. . Tarek. . Zaida. 1. 1. Alcohols. Alcohols are derivatives of hydrocarbons in which 1 or more of the hydrogen atoms has been replaced by a hydroxyl (-OH) . 1 Phenolic Ethers Alkyl Phenolics Heterocyclic Ethers Larger PAH 500 600 700 800 900 Figure 1 Formation of biomass tars and example of compounds formed Alcohols and Ethers. Alcohols. Alcohols are compounds whose molecules have a hydroxyl group attached to a saturated carbon atom. The saturated carbon may be that of a simple alkyl group . Examples. Or the saturated carbon may be connected to an . Mass spectrometer. n-hexane. MS. Alcohols, ethers, thiols. Sweet. Hydrogen . bonding. Hydrophilic. Hydrophobic. Oxidation. 12.1 Alcohols: Structure and Physical Properties. An organic compound containing a hydroxyl group attached to an alkyl group. . Ethers are relatively unreactive.. Ethers are often used as solvents in organic reactions.. Ethers oxidize in air to form explosive hydroperoxides and peroxides.. “Crown” ethers are useful as enhancers in nucleophilic substitution and other reactions. Structure. Ethers have two organic groups (alkyl, aryl, or vinyl) bonded to the same oxygen . atom.. R groups are identical = symmetrical ether. R groups are different = unsymmetrical ether. Oxygen is . The data contained in this publication is based on our current may affect processing and application of our product, the data does not relieve processors from carrying out their own investigations and Thiols. , . and ethers. Nomencalture. of alcohols. Use the end . ol. Examples. . Hydrogen bonding in alcohols and phenols. Alcohols and phenols form hydrogen bonds, and hence they have relatively high boiling points. This also makes the lower alcohols miscible with water. As the R group becomes larger, the solubility of alcohols in water decreases dramatically.. Compounds. B.Sc. III. Organic Chemistry. Organometallic Compounds. Organometallic. compound:. a compound that contains a carbon-metal bond. In this chapter, we focus on . organometallic. compounds of Mg, Li, and Zn. Epoxides. 1. Ethers and Their Relatives. An . ether. . has two organic groups (alkyl, aryl, or vinyl) bonded to the same oxygen atom, R–O–R. . Diethyl ether is used industrially as a solvent. Unit 7. Ethers!. Ether – organic compounds . where two alkyl or aryl groups joined singly with an oxygen atom. R-O-R’ R-O-Ar Ar-O-Ar. Ethers. Symmetrical ethers – 2 identical groups bonded to the oxygen. Ether Nomenclature. Compounds that contain two organic groups attached to an oxygen atom. General formula is . 1. Common Names. Name both groups attached to the oxygen in alphabetical order. Add the word ether.