In a magnetic random access memory, a cross point cell array of memory cells is arranged in a matrix of columns and rows, and each of the memory cells has a magneto-resistance element. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a 2,3-O-isopropylidene-2,3-dihydroxy-1,4-bisbisphosphinobutane. Access to the series resonator within the SAW resonator equivalent circuit is thus provided, permitting direct tuning of the resonant frequency for the SAW resonator.