Drill Draw each of the following 4 methyl2 Slides: 48 Download presentation Drill: Draw each of the following: • 4 -methyl-2 -pentyne • cis-octa-5 -en-2 -yne Review Drill & Check HW Organic HW • Review PP-8 • Complete the attached assignment & turn it in tomorrow Aromatic Hydrocarbons Aromatic Hydrocarbons • Hydrocarbons with 4 n+2 p electrons Aromatic Hydrocarbons • Compounds with an odd # of double bonds at every other carbon Aromatic Hydrocarbons • The double bonds must lie in a flat plane Aromatic Hydrocarbons • Most contain benzene rings or related systems Aromatic Hydrocarbons • All have an odor • Most are pleasant Drill: Name: Aromatic Hydrocarbons • Also called: • Arenes Aliphatic Hydrocarbons • Hydrocarbons other than aromatic hydrocarbons Benzene H H C C H C H Benzene Drill: Draw propylbenzene Benzene Draw & name a compound with 7 carbons, 1 double bond, & 1 triple bond Draw & Name all the possible isomers for C 6 H 10 Drill: Draw: all trans-3, 4, 5, 6, 7, 8 hexamethyldeca 2, 4, 6, 8 -tetraene Naming Arenes Naming Arenes • Use the same rules as for cyclic compounds • Special exception will follow Naming Arenes 5 4 3 6 1 2 2, 3 -diethyl-1 -propylbenzene Special Exceptions • Some aromatic compounds have common names Methylbenzene Toluene 1, 4 -dimethylbenzene 1, 4 -Xylene Disubstituted Benzene Rings 2 groups attached to a benzene ring ortho- meta- para- 1, 4 -dimethylbenzene para-xylene Name: ____ benzene R phenyl ____ Pyr phenylpyruvate Strange Names Name: ves tight Name: stem attic Name: dude strange Name: me See him ORG CHM HW • Come up with at least one strange name based on organic nomenclature Naphthalene Anthracene Phenanthrene Lab: Tomorrow Review: Thur Test: Friday Name the compounds on the board Draw & name all the possible isomers of C 5 H 10 Draw & name all the possible isomers of C 5 H 8 The check is in the mail Of course, I’ll love you in the morning