... water/hexane solutions [172]. As anexample, 2,6-dimethoxy -4 - propylphenol gave exclusively the all-cisdiastereomer of 2,6-dimethoxy -4 - propylcyclohexanol (Scheme 3. 14) . Sincelignin is produced in huge ... modest(e.e. 1 0- 5 0 %). Even that was diminished in 70 / 30 . However,Water-soluble functionalized 2,2`-bipyridine ligands, carrying sodiumphosphonate substituents were prepared. Their Rh- and Ir-complexesshowed ... ruthenium(II) as catalysts, Drießen-Hölscher and co-workers [ 40 ]achieved selective hydrogenalion of sorbic acid to trans -3 - hexenoic acid orto 4- hexenoic acid (Scheme 3. 2). The rationale behind this...