| abstract |
PROCEDURE FOR THE PREPARATION OF UREAS SUBSTITUTED WITH BASIC RADICALS OF GENERAL FORMULA (I), WHERE X MEANS AN OXYGEN ATOM OR THE GROUP R4-N < , R4 MEANS THE METHYLSULPHONYL GROUP, THE DIETHYLCARBAMOYL GROUP OR THE GROUP (IV), AND R1 IT MEANS AN ALCOHOL GROUP. IT CONSISTS IN REACTING A COMPOUND OF GENERAL FORMULA (II) WITH A COMPOUND OF GENERAL FORMULA (III), WHERE X, R1, R2, R3 HAVE THE SAME MEANINGS AS IN FORMULA (I) AND Q REPRESENTS A HALOGEN ATOM OR A GROUP ALCOHYLSULFONYLOXI. THE COMPOUNDS OBTAINED ARE SUITABLE IN THE LOCAL TREATMENT OF DISEASES CAUSED BY VIRUSES. *FORMULA* |