ChemInform Abstract: Transition Metal Complexes in Supported Liquid Phase and Supercritical Fluids - A Beneficial Combination for Selective Continuous-flow Catalysis with Integrated Product Separation

ChemInform ◽  
2013 ◽  
Vol 44 (8) ◽  
pp. no-no
Author(s):  
Ulrich Hintermair ◽  
Tamilselvi Chinnusamy ◽  
Walter Leitner
Keyword(s):  
Liquid Phase ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Supercritical Fluids ◽  
Continuous Flow ◽  
Product Separation ◽  
Supported Liquid Phase

ChemInform Abstract: LIQUID PHASE OXIDATION OF BENZALDEHYDE CATALYZED BY LOW-VALENT TRANSITION METAL COMPLEXES

1975 ◽  
Vol 6 (13) ◽  
pp. no-no
Author(s):  
JUN-ICHI HOJO ◽  
SHIGEKI YUASA ◽  
NOBORU YAMAZOE ◽  
ISAO MOCHIDA ◽  
TETSURO SEIYAMA
Keyword(s):  
Liquid Phase ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Liquid Phase Oxidation ◽  
Phase Oxidation ◽  
Low Valent

ChemInform Abstract: SUPPORTED TRANSITION METAL COMPLEXES. IV. RHODIUM CATALYSTS FOR THE LIQUID PHASE HYDROFORMYLATION OF 1-HEXENE

1976 ◽  
Vol 7 (41) ◽  
pp. no-no
Author(s):  
K. G. ALLUM ◽  
R. D. HANCOCK ◽  
I. V. HOWELL ◽  
R. C. PITKETHLY ◽  
P. J. ROBINSON
Keyword(s):  
Liquid Phase ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Rhodium Catalysts

scholarly journals Unlocking the potential of supported liquid phase catalysts with supercritical fluids: low temperature continuous flow catalysis with integrated product separation

2015 ◽  
Vol 373 (2057) ◽  
pp. 20150005 ◽  
Author(s):  
Giancarlo Franciò ◽  
Ulrich Hintermair ◽  
Walter Leitner
Keyword(s):  
Liquid Phase ◽  
Homogeneous Catalysis ◽  
Supercritical Fluids ◽  
Continuous Flow ◽  
Thermal Sensitivity ◽  
Standard Procedure ◽  
Sustainable Manufacturing ◽  
Catalyst System ◽  
Process Conditions ◽  
Product Separation

Solution-phase catalysis using molecular transition metal complexes is an extremely powerful tool for chemical synthesis and a key technology for sustainable manufacturing. However, as the reaction complexity and thermal sensitivity of the catalytic system increase, engineering challenges associated with product separation and catalyst recovery can override the value of the product. This persistent downstream issue often renders industrial exploitation of homogeneous catalysis uneconomical despite impressive batch performance of the catalyst. In this regard, continuous-flow systems that allow steady-state homogeneous turnover in a stationary liquid phase while at the same time effecting integrated product separation at mild process temperatures represent a particularly attractive scenario. While continuous-flow processing is a standard procedure for large volume manufacturing, capitalizing on its potential in the realm of the molecular complexity of organic synthesis is still an emerging area that requires innovative solutions. Here we highlight some recent developments which have succeeded in realizing such systems by the combination of near- and supercritical fluids with homogeneous catalysts in supported liquid phases. The cases discussed exemplify how all three levels of continuous-flow homogeneous catalysis (catalyst system, separation strategy, process scheme) must be matched to locate viable process conditions.

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