Chinoin Gyogyszer Es Vegyeszeti Termekek Gyara Rt.

Tibor Montay

Tamas U Kallay

Eva Somfai

Laszlo Ledniczky

Gyorgy Lanyi

Maria Sziladi

Lajos Imrei

Istvan Tibor Toth

Geza Toth

Zsuzsanna Nad

Valeria Denes Nee Lustig

Robert Gepesz

Gyorgy Hoffmann

Laszlo Rvai

The present invention relates to a process for the preparation of L-isomer of propargyl-ammonium-chloride derivatives of the formula (I) ##STR1## by decomposing D-tartarte of L-isomer of the amine of the general ##STR2## wherein y is hydrogen or fluoro and by reacting the obtained L-issomer amine of the formula (II) in the presence of a base with a halide of the formula (V), X--CH.sub.2 --C.ident.CCH wherein X is halogen and by reacting the so obtained L-isomer of the Formula (III) ##STR3## with hydrogen-chloride in an organic solvent, wherein x is a halogen atom,

Process for the preparation of propargyl ammonium-chloride

Process for the preparation of substituted isoflavone derivative

Process for the preparation of ketone compounds

A process for the preparation of a compound of the formula: ##STR1## wherein R.sup.1 is alkyl, alkyl substituted by halogen, alkyl substituted by alkoxy, aryl, aryl substituted by halogen, aryl substituted by alkyl, aryl substituted by alkoxy, aralkyl, aralkyl substituted by alkoxy, cycloalkyl, cycloalkyl substituted by halogen, cycloalkyl substituted by alkyl or cycloalkyl substituted by alkoxy, and

Process for the preparation of carbamate derivatives

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Budapest, Hungary

Tibor Montay