PPT-Ethers

Unit 7 Ethers Ether organic compounds where two alkyl or aryl groups joined singly with an oxygen atom ROR ROAr ArOAr Ethers Symmetrical ethers 2 identical groups bonded to the oxygen. 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. 9-6. Ethers are prepared by S. N. 2 reactions.. Ethers can be prepared by the reaction of an alkoxide with a primary haloalkane or sulfonate ester under S. N. 2 conditions.. The parent alcohol of the alkoxide can be used as the solvent, however other polar solvents are often better, such as DMSO (dimethyl sulfoxide) or HMPA (hexamethylphosphoric triamide).. 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 . 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. Dr. . Shatha. I . Alaqeel. 108 . Chem. Learning Objectives. Chapter seven discusses the following topics and by the end of this chapter the students will:. . Know the structure of ethers. Know the different methods of naming ethers. (R-OH) and (R-O-R). Members. Smita Jirayingcharoen (Mudmee). Pattraporn Kheerinpharadorn (BB). Sumanas Chamneandamrongkarn (Punpun). Vetaka Prajakchaikul (Ting-Ting). Sidaporn Muangsiri (Kaimod). Alcohol. Ether. Chemistry 11. Ms. McGrath. Ethers. General formula: Ethers are organic compounds that have two alkyl groups joined by an oxygen atom.. R-O-R’, where R and R’ are two alkyl groups (they can be the same or different). 45. -Alcohols . have the general formula R. -. OH and are characterized by the presence of a . hydroxyl group, . -. OH. . -Phenols . have a hydroxyl group attached directly to an aromatic ring. . -Thiols . 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. Chem. 1. st. 1439 . Outline. Structure of Ethers. Nomenclature of Ethers. Physical Properties of Ethers. Preparation of Ethers. Reactions of Ethers. Epoxides: Structure and Nomenclature. Synthesis of Epoxides. 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 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. Tetrahydrofuran (THF) is a solvent that is a cyclic ether .