draw the neutral organic product for the reaction shown. show stereochemistry clearly. the starting material is an alkyne where one carbon is bonded to ethyl and the other alkyne carbon is bonded to tert butyl. the starting material is converted to the product in 2 steps. the first reagent is 2 equivalents of lithium in ethylamine at minus 78 degrees celsius. the second reagent is n h 4 c l.