ch 4 flashcards - iupac name

What substituent is this

Methyl

What substituent is this

Ethyl

What substituent is this

Propyl

What substituent is this

Isopropyl

What substituent is this

Butyl

What substituent is this

Sec-butyl

What substituent is this

Isobutyl

What substituent is this

Tert-butyl

What substituent is this

Neopentyl

What substituent is this

Isopentyl

prefix for parent name for one carbon

meth-

prefix for parent name for two carbon

ethyl-

prefix for parent name for three carbon

prop-

prefix for parent name for four carbons

but-

prefix for parent name for 5 carbons

pent-

prefix for parent name for 6 carbons

hex-

prefix for parent name for seven carbons

hept-

prefix for parent name for 8 carbons

oct-

prefix for parent name for nine carbons

non-

prefix for parent name for 10 carbons

dec-

prefix for parent name for 11 carbons

undec-

prefix for parent name for 12 carbons

dodec-

if parent chain is a ring?

prefix cyclo

parent name ends with…

-ane

substituent name ends with

-yl

prefix di- means, used if multiple substituents are identical

two

prefix tri- means, used if multiple substituents are identical

three

prefix tetra- means, used if multiple substituents are identical

four

prefix penta- means, used if multiple substituents are identical

five

angle between atoms on adjacent carbons is called

dihedral angle

which newman conformation is more stable

staggered conformationw

which new man structure is less stable

eclipsed conformation

eclipsed conformation is _____energy, so ___ stable

high, less

staggered conformation is _____ eng, so ____stable

low, more

what conformation is this

anti

what conformation is this

eclipsed

what conformation is this

gauche

what conformation is this

staggered

what conformation is this

eclipsed

which is less stable

clyclopropane (60 degrees)

which is the most stable

cyclohexane (120 degrees)

which has the most torsional and angle strain

cyclopropane

which has the least torsional and angle strain

cyclohexane