While a postdoc, Milstein and his adviser, John Kenneth Stille, discovered the Stille reaction for new carbon-carbon bond formation using a palladium catalyst to couple an organic halide with an organotin compound.
Grundmann aldehyde synthesis, chemical reaction that produces an aldehyde from an acyl halide
The Hunsdiecker reaction (also called the Borodin reaction after Alexander Borodin) is the organic reaction of silver salts of carboxylic acids with halogens to give organic halides.