Richter Gedeon Vegyeszeti Gyar Rt

Csilla Meszaros

Laszlo Szporny

Eva Palosi

Sandor Gorog

Edit Toth

Jozsef Torley

Szaboles Szeberenyi

Szabolcs Szeberenyi

Szabolos Szeberenyi

Szaholes Szeberenyi

Compounds of the formula (I), ##STR1## wherein R.sub.1 and R.sub.2 each is saturated or unsaturated, straight-chained or branched alkyl phenyl, alkylphenyl or saturated or unsaturated cycloalkyl; but when R.sub.1 is methyl, R.sub.2 is a group other than methyl, are prepared by reacting a compound of the formula (II), ##STR2## wherein X is halogen, with a secondary amine of the formula (III),

Amino-substituted nitrobenzophenone derivatives with alkyl, phenyl,

New compounds of the formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each is a saturated or unsaturated, straight-chained or branched alkyl group, an aralkyl group, a saturated or unsaturated cycloalkyl group or an aryl group, or

Diamine-benzophenones and a process for the preparation thereof

The invention relates to new .alpha.-substituted benzhydrols and pharmaceutically acceptable acid addition salts or quaternary ammonium salts thereof with enzyme promoting or inhibiting effects;

Alpha-substituted benzhydrol derivatives

New compounds of the general formula (I), ##STR1## wherein R.sub.1 and R.sub.2 each stand for a saturated or unsaturated, straight-chained or branched alkyl group, an aralkyl group, a saturated or unsaturated cycloalkyl group or an aryl group, or

Substituted nitrobenzophenone derivatives and a process for the

A compound of the formula: ##STR1## wherein Z is ethyl or vinyl,

.alpha.-Substituted benzhydrol derivatives and a process for the

New compounds of the general formula (I) ##SPC1## wherein

New compounds of the general formula (I), ##SPC1## wherein R.sub.1 and R.sub.2 each stand for a saturated or unsaturated, straight-chained or branched alkyl group, an aralkyl group, a saturated or unsaturated cycloalkyl group or an aryl group, or R.sub.1 and R.sub.2 together with the adjacent nitrogen atom may form an optionally substituted heterocyclic group optionally containing a further oxygen or nitrogen hetero atom, But if R.sub.1 stands for methyl, R.sub.2 may only stand for a group other than methyl, Are prepared by reacting a compound of the general formula (II), ##SPC2## wherein X stands for halogen, with a secondary amine of the general formula (III),

N-methyl substituted piperazino nitrobenzophenones and a process for the

New compounds of the formula (I), ##SPC1## wherein

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Csilla Meszaros