PPT-1 Alkyl Halides

Structure Alkyl halides RX 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 CX bond is . . Competing Reactions. Alkyl halides can react with Lewis bases by . nucleophilic substitution and/or elimination.. C. C. H. X. +. Y. :. –. C. C. Y. H. X. :. –. +. C. C. +. H. Y. X. :. –. +. . Preparation of . Haloalkanes. . by Halogenation. Preparation . Aryl Chlorides . by . Electrophilic. Substitution. Halogen . Exchange. Free radical chlorination or . bromination. of . alkanes. gives a complex 287 . 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 . Week 2:. Organophosphate . Insecticides. a. Acute toxicity. History. World War II nerve gases. Britain. Germany. Gerhard Schrader. TEPP as first commercial OP insecticide. Post-WWII transfer of IG Farben chemicals to US. 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. 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. Introduction. Anhydrous metal halides are commonly used starting materials for many organometallic compounds . (i.e., in reactions with Grignard reagents, the formation . of . metallocene, chromium(III) . Nucleophilic Substitution. and Elimination . Reactions. 2. Alkyl halides. are organic molecules containing a halogen atom bonded to an . sp. 3. hybridized carbon atom. . Alkyl halides are classified as . Amines are derivatives of ammonia molecules that contain a nitrogen atom bonded to one or more alkyl groups on each molecule.. . Many amines have strong, unpleasant odours.. . ex. putrescine. cadaverine. 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 . Several types of functional groups contain a carbon atom singly bonded to a heteroatom. Common examples include alkyl halides (RX, X: F, Cl, Br, I), alcohols (ROH), ethers (ROR), and amines (RNH2, R2NH, R3N, R4N+).. 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 .