PPT-Aryl halides

Dr Talat R Al Ramadhany Aryl halides Ar x Aryl halides are organic compounds containing halogen atom attached to an aromatic ring They have the general formula ArX where Ar. Structure. Alkyl halides (R−X) have an alkyl group joined to a halogen atom by a single . bond.. As . you go down the periodic . table,. the . size of the halogen atom . increases. the . C−X bond is . Compounds. Chem. 108. Chapter 6. 1. An organic compound containing at least one . . carbon-halogen bond (C-X). X (F, . Cl. , Br, I) replaces H. Can contain many C-X bonds. Organic Halogen Compounds. "for palladium-catalyzed cross couplings in organic synthesis". .. Photo: University of Delaware, USA. . Photo: Purdue University, USA. . Photo: Hokkaido University, Japan. . Richard F. Heck. King Saud University . Chemistry Department. 145 Chem. 1. 145 Chem. 2. King Saud University . Chemistry Department. CH. 3. -X and R-CH. 2. -X : Primary alkyl halide.. (R). 2. -CH-X : Secondary alkyl halide.. 145 Chem. 1. 145 Chem. 2. Alkyl Halides. 145 . Chem. 3. CH. 3. -X and R-CH. 2. -X : Primary alkyl halide.. (R). 2. -CH-X : Secondary alkyl halide.. (R). 3. -C-X : Tertiary alkyl halide.. . GLY 4200. Lab 7 - Fall, . 2016. 2. Halides. Minerals contain the anions F. -. , Cl. -. , Br. -. , or I. -. More than one hundred forty halides are known – few are important. Bonding is usually nearly purely ionic. Chemistry Department, College of Science, King Saud University. http://fac.ksu.edu.sa/melnewehy. Organic Halogen Compounds. Classes and Nomenclature of Halogen Compounds. - Alkyl halides. , . R-X.. - Depending on the type of carbon to which the halogen is attached, . GLY 4200. Lab 7 - Fall. , . 2017. 2. Halides. Minerals contain the anions F. -. , Cl. -. , Br. -. , or I. -. More than one hundred forty halides are known – few are important. Bonding is usually nearly purely ionic. a new . pathway that cleaves . the . C-O bonds . in aromatic ethers using . Pd catalysts, . breaking these bonds . under mild conditions. . Significance and Impact. . New pathway for converting lignocellulose into fuels. Salvant. University of Utah. Lipitor. Aryl Fluorination. Wiki . Page: http://en.wikipedia.org/wiki/Balz%E2%80%93Schiemann_reaction. Overview: . Aryl . fluorines. are present in two of the top 10 grossing drugs (Lipitor and . Kontur. , W. S. . et al.. . “A heterodimeric glutathione . S. -transferase that . stereospecifically. breaks lignin’s β(R)-aryl ether bond reveals the diversity of bacterial β-. etherases. .” . Haloalkanes. Hunsdiecker. Reaction. Addition of Hydrogen Halides on Alkenes. Markownikoffs. rule:. Anti . Markownikoffs. rule. Physical properties of alkyl halides . 1. . Boiling point orders. R – I > R – Br > R – CI > R – F. HALOALKANES. DHEERAJ GUPTA. ALKYL HALIDES OR HALOALKANES. An organic compound containing at least one carbon-halogen bond (C-X). X (F, . Cl. , Br, I) replaces H. Alkyl halides are organic molecules containing a halogen atom bonded to an . Department of Pharmaceutical Analysis. Chalapathi Institute of Pharmaceutical Sciences. The Structure of Benzene. Because each .  bond has two electrons, benzene has six  electrons.. In benzene, the actual bond length (1.39 .