Akene Stability

Increasing alkyl substitution _______ alkenes by electron donation

stabilizes

____ alkenes are more stable than ____ alkenes because they have fewer steric interactions

Cylcoalkanes with fewer than ___ carbons cannot accomodate trans alkenes: only cis

7

What is bredts rule?

IN a bicyclic compound, the bridgehead carbon cannot posses a C=C unless the ring has at least 8 carbons

Dehalogenation of alkyl halides using a _____

strong base

Dehalogenation is an ___ mechanism using non-nucleophilic strong bases

E2

Dehalogenation bulky strong bases:

DBU, DBN, LiOtBu (KOtBu, NaOtBue), LD

Dehydration of alcohols use non-nucleophilic _______: ____ ______ _____

strong acids: H2SO4, TsOH, CH3-phenyl- S=O(2x)-OH

Dehydration can be ____ for II or III alcohols but ___ for I alcohols

E1 → E2

Dehalogenation

Dehydration of alcohol

Dehydration of alcoho