Deuterium, reaction with acetylene ethylene

The interaction of an alkyne or alkadiene with deuterium leads to the formation of deuteroalkenes whose isotopic composition yields valuable information regarding possible reaction mechanisms. In an attempt to interpret in detail the deuteroalkene distributions, two approaches have been used. The first, due to Bond [163], is a simplified version of the general theory proposed by Kemball for the hydrogenation of ethylene (see Sect. 3.4) and has been used to interpret the results of the reaction of acetylene with deuterium [163—165]. The method comprises a steady state analysis of the reaction scheme... 

All of the metals of Group VIII catalyze the hydrogenation of acetylene. This section will be concerned with three types of information which have been reported, namely, kinetics, the distribution of deutero-ethylenes obtained when deuterium is added to acetylene, and the yields of ethylene and ethane obtained as initial products. Kinetic information has been available for some time (73, 75-78), and further reports have been made recently (71, 79 82) the nickel-catalyzed reaction of dideuteroacetylene with hydrogen was reported in 1958 (83)... 

Finally, the transicis preference found for the formation of ethylene-<72 has also been observed when deuterium from acetylene-with alkali metal atoms in solid argon. In this reaction, only the... 

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