CHEM164 Lecture Notes - Lecture 7: Bayerischer Rundfunk, Halogenation, Atomic Number

• School: University of Alberta
• Department: Chemistry
• Course: CHEM164
• Professor: John Vederas

Document Summary

Note: above mechanism applies to other halogens (f, cl, br) Alkyl groups are polarizable and donate electrons to electron deficient sites better than hydrogens. (this is called inductive effect. ) . ch3 < . ch2r < . chr2 < . cr3 methyl radical (least stable) tertiary radical (most stable) primary radical secondary radical. Alkyl groups are polarizable and donate electrons to electron deficient sites. ch3 < . ch2r < . chr2 < . cr3 methyl radical (least stable) secondary radical primary radical tertiary radical (most stable) eg. c. Note that the bromine is furthest from the methyl groups due to destabilizing steric interactions. F most selective least selective exothermic endothermic starting materials. The more exothermic a reaction, the more the transition state (ts) resembles the. The more endothermic a reaction, the more the ts resembles the product. Structure and nomenclature: find longest chain with largest number of branches, number from end so as to give 1st branch the lowest number, name prefix with halo (chloro, bromo, iodo, fluoro).