A strong acid and a zinc amalgam are used to produce alkanes from ketones in yet another process of this type.
One process of this type has an ethanedithiol intermediate, which is then treated with Raney nickel. The principle of least motion explains why the thermodynamically more stable 1,3-dienes do not form as much as 1,4-dienes in another process of this type. Mozingo names one type of this process, which also appears in a reaction where a palladium catalyst is poisoned with barium sulfate. Cyclohexadiene is formed in one type of this process that involves (*) sodium metal and ammonia. A strong acid and a zinc amalgam are used to produce alkanes from ketones in yet another process of this type. Rosenmund names one type of this process, which also appears in reactions named for Birch and Clemmensen. For 10 points, name this process where a substance gains electrons, as opposed to oxidation.
One process of this type has an ethanedithiol intermediate, which is then treated with Raney nickel.
reductions [accept word forms; do not accept redox or reduction-oxidation reactions]