B. Driessenholscher et J. Heinen, SELECTIVE 2-PHASE-HYDROGENATION OF SORBIC ACID WITH NOVEL WATER-SOLUBLE RUTHENIUM COMPLEXES, Journal of organometallic chemistry, 570(1), 1998, pp. 141-146
Neutral and cationic water soluble Cp-ruthenium-complexes of the type
[CpRu(CO)Cl(PR3)] and [Cp*Ru(CO)(PR3)]CF3SO3 (R = CH2OH, (CH2)(3)OH,
Ph-m-SO3Na) have been synthesized for the first time and have been us
ed as catalysts in two-phase-hydrogenations. The neutral complexes hav
e been fully characterized. But the cationic complexes which have not
been isolated are effective catalysts for the selective hydrogenation
of sorbic acid in water/n-heptane leading to the formation of cis-3-he
xenoic acid and trans-3-hexenoic acid. (C) 1998 Elsevier Science S.A.
All rights reserved.