Complex sentence: Disiamylborane (bis (1,2-dimethylpropyl) borane) is an organoborane used in organic synthesis to add water to a terminal alkyne, forming an aldehyde via anti-Markovnikov addition.
Split into simpler sentences: Disiamylborane (bis (1,2-dimethylpropyl) borane) is an organoborane used in organic synthesis. It is used to add water to a terminal alkyne, forming an aldehyde via anti-Markovnikov addition.