(Solved): Provide reagents, product, or conditions for the following reactions of alkynes and alcohols below ...

Provide reagents, product, or conditions for the following reactions of alkynes and alcohols below. You may need multiple steps to accomplish each transformation. You do NOT have to show the arrow pushing mechanisms. 1) NaNHz___ -CEC-H 2) CH3CH?Br 1) Mg. Et?O 2) 0= 3) Acid workup PBr3 OH 'Br OH PBr3 2