electrophiles Flashcards
1
Q
what makes an electrophile
A
Electrophilic centers are areas of low electron density. Most often they are atoms which (a) contain an incomplete octet, and/or (b) carry a full or a partial positive charge. A partial positive charge can be revealed by writing resonance structures, or by identifying a polar bond
2
Q
electron sink
A
c=o carbonyl
3
Q
pka
A
smaller pka the better the acid
4
Q
pka leaving group
A
the lower the pka the better the leaving group
