CHEM 2211 1st Edition Lecture 22 Outline of Last Lecture I II III IV V VI Reactivity of alkynes Reaction of 1 mol equivalent of HX Reaction with excess HX Reaction with 1 mol equivalent of X2 Reaction with excess X2 Acid Catalyzed reaction with water Outline of Current Lecture I II Revision and Expansion of Acid Catalyzed Water Addition Hydroboration of Alkynes Current Lecture I Revision and Expansion of Acid Catalyzed Water Addition A Symmetric internal alkyne i Product 100 one type of ketone ii Type of addition Markovnikov iii Stereochemistry NONE B Asymmetric internal alkyne i Product 50 50 mix of two ketones ii Type of Addition Markovnikov iii Stereochemistry None C Terminal Alkyne II i Product Ketone ii Type of Addition Markovnikov iii Stereochemistry Syn Hydroboration of Alkynes A Product Aldehyde B Type of Addition Anit Markovnikov C Stereochemistry Syn
View Full Document
Unlocking...