How it is produce of aldehyde's?

Answer:
One way to produce an aldehyde is to react a terminal alkyne with BH3 (borane) and than treat it with H2O2 (hydrogen peroxide) and -OH(hydroxide).
First answer by Bejuzz. Last edit by Bejuzz. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 2 [recommend question].