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Reaction Mechanism - 1-butene-3-yne

I need help with writing the reaction and predict the major product for the following reactions. (Make sure to consider stereochemistry and regiochemistry, if applicable)

a) 1-butene-3-yne reacts with excess hydrogen in the presence of a Pd/C catalyst

b) 1-Butyne reacts with BH3 followed by hydrogen peroxide.

Solution Summary

This solution solves two reaction mechanism chemistry problems.