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Drill: Draw each of the following:. 4-methyl-2-pentyne cis -octa-5-en-2-yne. Aromatic Hydrocarbons. Aromatic Hydrocarbons. Hydrocarbons with 4n+2 p electrons. Aromatic Hydrocarbons. Compounds with an odd # of double bonds at every other carbon. Aromatic Hydrocarbons.
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Drill: Draw each of the following: • 4-methyl-2-pentyne • cis-octa-5-en-2-yne
Aromatic Hydrocarbons • Hydrocarbons with 4n+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
Aromatic Hydrocarbons • Also called: • Arenes
Aliphatic Hydrocarbons • Hydrocarbons other than aromatic hydrocarbons
Benzene H H C C H C C H C C H H
Draw propylbenzene
Naming Arenes • Use the same rules as for cyclic compounds • Special exception will follow
Naming Arenes 5 4 3 6 1 2
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
1,4-dimethylbenzene para-xylene
____ benzene R phenyl ____
Pyr phenylpyruvate
Name: ves tight
Name: attic stem
Name: dude strange
Name: See him me
ORG CHM HW • Come up with at least one strange name based on organic nomenclature
Draw & name a compound with 8 carbons, 1, branch, 1 double bond, & 1 triple bond
Of course, I’ll love you in the morning The check is in the mail
Organic HW • Study for the test tomorrow