N-(triaryl-methyl)-amidines, process for the preparation thereof and compositions containing the same
AssigneeChinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
InventorsLajos Guczoghy, Todor Pfliegel, Maria Puklics, Laszlo Institoris, Jeno Seres
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Abstract
A compound selected from the group which consists of the amidine of formula ##STR1## and the phytotoxically acceptable addition salts, hemihydrates and hydrates thereof, R.sup.1, r.sup.2 and R.sup.3 being phenyl or a phenyl group substituted with chlorine, bromine, iodine or fluorine, alkoxy having 1-4 carbon atoms or alkyl having 1 to 4 carbon atoms, R.sup.4 being methyl.
Claims8
An amidine derivative of the formula:
- ##STR8## wherein R', R.sup.2, and R.sup.3 are identical or different aryl groups;
- and
- R.sup.4 is alkyl, aralkyl or aryl.
A compound selected from the group which consists of N-[bis-phenyl-(2-methoxy-5-chloro-phenyl)-methyl]-acetamidine;
- N-trityl-acetamidinium-chloride;
- N-[bis-phenyl-(2-chloro-phenyl)-methyl]-acetamidine, and salts, hemihydrates and hydrates thereof.
The compound defined in calim 1 wherein at least one of R', R.sup.2 and R.sup.3 is 2-methoxy-5-chlorophenyl.
A process for the preparation of a compound of the formula ##STR9## wherein R', R.sup.2, R.sup.3 are aryl and R.sup.4 is alkyl, aralkyl or aryl which comprises
- a. reacting a compound of the formula ##STR10## with a compound of the formula ##STR11## wherein X is a halogen atom and R.sup.4 is alkyl, aralkyl or aryl or
- b. reacting a compound of the formula ##STR12## with a compound of the formula ##STR13## wherein R is alkyl, aralkyl, or aryl.
Dependencies are inferred from the claim text.