Lecture 6: More HSAB & Arrow-Pushing Announcements:

Problem Set 3 posted online. Due Thurs, 9/21/17•Today:

Hard-Soft Acid-Base Theory (HSAB) - continued•More arrow-pushing•

Basic conditions ◦Substitution at electrophilic π-bonds‣

Acidic Conditions◦Stability, formation, and reactions of carbocations‣