Prodn. of 2-aryl-cyclo-hex-2-en-3-ol-1-one herbicides and miticides - comprises reacting 3-aryloxy-cyclo-hex-2-en-1-one with potassium carbonate and treating with acid
DE4142247A1
Selective catalytic co-cyclisation of acetylene and nitrile(s) to pyridine derivs. - by photochemical conversion in soln. under inert gas atmos. using cobalt complex catalyst
DE4140928A1
Herbicide esp. for controlling weeds in beet crops - contains carbamate active ingredient, solvent mixt. comprising water-soluble and oil-soluble solvent crystallisation inhibitor and emulsifier
DE4133145A1
Prepn. of new propranolol analogues - by reacting racemic oxirane(s) with optically active amine(s), then selective oxidn., useful in regulation of blood pressure
DE4133143A1
New diastereomeric propranolol analogues - e.g. 1-(1-naphthyl:oxy)-3 -(1-phenyl:ethylamino) -propan-2-ol cpd., used to regulate blood pressure without affecting heart rate
DE4132747A1
Polyurethane-urea solns. prepn. having defined, reproducible viscosity - involves reacting di:isocyanate diol(s) and di:functional chain extender contg. amino-acidic pyrazole
DE4130078A1
Protein modified composite contg. cement, polymer and glass fibres - comprises aq. soln. of protein and hardener, for high mechanical and chemical properties in building industry
DE4130077A1
Coating compsn. for glass fibres - comprising aq. protein soln. e.g. casein contg. hardener e.g. aliphatic aldehyde, for improved resistance to aggressive media e.g. acid
DE4130076A1
Cement-based composite material for fibre-free construction material - contg. poly:di:methyl:di:allyl ammonium chloride, improving refractory properties
DE4128796A1
Electron beam negative resist developed by aq. alkali - contg. 4-halophenol novolak and poly:cyclic partly hydrogenated triazine deriv. as crosslinker
DE4122733A1
Image reversal resist used to produce reverse resist - contains naphthoquinone di:azide cpd., oligomer of oxa:cycloalkane as crosslinker and novolak or polyvinyl-phenol] resin binder
DE4122732A1
Potential side-chain liq. crystal acrylate monomers prepn. - by reaction of 4-hydroxybenzoic acid with 4-alkoxyphenol or bisphenol then with di:bromo:alkane and then with alkali (meth)acrylate
DE4121959A1
Supported catalyst for acetic acid prodn. by carbonylation of methanol - with phosphonic acid deriv. contg. dissimilar chelating gps. as adhesion promoter
DE4114237A1
Kinetic racemate sepn. of chiral organic hydroperoxide(s) - by using the hydro-peroxide in Sharpless epoxidation of allyl alcohol and isolating the enantiomer which reacts more slowly
DE4114238A1
Substd. 2,2-penta:methylene-delta -3-imidazolin-5-one derivs. - for the construction and modification of biologically active cpds.
DE4114236A1
Prepn. of substd. glycinamide derivs. - by reacting substd. acetonitrile with 3,3-penta:methylene oxaziridine in the presence of an auxiliary base
DE4112111A1
Optically active 3,4-di:substd. pyrrolin-2,5-di:one derivs. - for use as chiral N-contg. ligands with transition metals to form catalytic systems for asymmetric catalyses
DE4108345A1
New 5-amino-4-di:alkoxy:phosphoryl-oxazole derivs. - prepd. by reacting phosphonate salt with amine, are useful as fungicides
DE4103759A1
METHOD FOR PRODUCING (S) - AND (R) -ALPHA-AMINOSAUR DERIVATIVES BY ASYMMETRIC HYDRATION
DE4103450A1
Pilot plant for small scale simulation of hydrocarbon cracking plant - enables direct transfer of performance results to full scale
