New optically pure cyclic P-chiral phosphines useful as ligands in catalysts for asymmetric hydrogenation
DE10137740A1
New amido-substituted cyclohexenes, used as precursors for pharmaceutical, agrochemical or natural substance, e.g. pumiliotoxin, lycoricidine or narciclasine, are prepared by reacting unsaturated aldehyde, amide and olefin
DE10137731A1
New amido-substituted cyclohexadienes, used as precursors for pharmaceutical, agrochemical or natural substances, e.g. pumiliotoxin, lycoricidine or narciclasine, are prepared by reacting aldehyde, amide and alkyne in solvent
DE10137739A1
New amido-substituted cyclohexenes, used as precursors for pharmaceutical, agrochemical or natural substances, e.g. pumiliotoxin, lycoricidine or narciclasine, are prepared by reacting unsaturated aldehyde, amide and olefin
DE10123436A1
Process to increase the catalytic activity of transition metal phosphine catalysts for the hydroformylation of olefins, comprises carrying out the reaction in the presence of surface active agents
DE10028540A1
Re-usable transition metal-phosphine complex catalysts for carbon-carbon (especially Suzuki) bond-forming reactions, are obtained by fixing water-soluble chiral and achiral phosphine-metal complexes on mesoporous carriers
DE19917603A1
Preparation of 5-oxy-2,3-dihydro-2-furanones, including new compounds, by desilylating 3-silyl analogs using aluminum oxide, are potential biologically active agents
DE19840861A1
One-pot preparation of N-alkoxycarbonyl-protected acrylate, phosphonate or phosphinate esters comprises reacting N-acyl-protected esters with dicarbonate ester and then hydrazine
DE19826211A1
Preparation of phosphinic and phosphonic acid derivatives potentially useful as herbicides or as antiviral or antibacterial agents
DE19809166A1
Enhancement of catalytic activity and selectivity of carbon-carbon bonding reactions in water or multiphase system
DE19617941A1
Novel chiral amphiphilic N-carbonyl-pyrrolidone ligands-prepared by simplified method and useful in preparing metal complexes which catalyse hydrogenation reactions in water
DE19617939A1
Chiral amphiphilic compounds used as e.g. surfactants, emulsifiers or aqueous hydrogenation reaction auxiliary aids
DE19519983A1
New di:alkyl 1-acylamino-2-aryl-ethyl-phosphonate ester(s)
