10. Addition Reactions
Hydroboration
43PRACTICE PROBLEM
Disiamylborane adds only once to alkynes through its two bulky secondary isoamyl groups. Show how BH3 reacts with 2-methylbut-2-ene to produce disiamylborane or bis(3-methylbutan-2-yl)borane. Why does the reaction only proceed as far as dialkylborane and not trialkylborane?
Disiamylborane adds only once to alkynes through its two bulky secondary isoamyl groups. Show how BH3 reacts with 2-methylbut-2-ene to produce disiamylborane or bis(3-methylbutan-2-yl)borane. Why does the reaction only proceed as far as dialkylborane and not trialkylborane?