Abstract: Condensed pyrazole 3-oxo-propanenitrile derivatives of formula (I) ##STR1## wherein X represents a --CH(R.sub.4)-- group, an oxygen atom or a --S(O).sub.n -- group where n is 0, 1 or 2; R.sub.1 represents C.sub.1 -C.sub.6 alkyl, pyridyl or unsubstituted or substituted phenyl; R.sub.2, R.sub.3 and R.sub.4 are as defined herein; and Q represents hydrogen, carboxy, C.sub.2 -C.sub.7 alkoxycarbonyl or a --CON(R.sub.a)R.sub.b group, R.sub.a and R.sub.b being as defined herein; and their pharmaceutically acceptable salts have immunomodulating activity and can be used in particular as immunomodulating agents, e.g. in the treatment of acute and chronic infections of both bacterial and viral origin, alone or in association with antibiotic agents, and in the treatment of neoplastic diseases, alone or in association with antitumoral agents, in mammals.

Abstract: This invention relates to a method of treating rheumatoid arthritis, which method comprises administering to a mammal a therapeutically effective amount of a compound of formula (I): ##STR1## wherein R1 is unsubstituted or substituted phenyl;R.sub.2 is a morpholinomethyl group;R.sub.3 is hydrogen;R.sub.4 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sub.a is hydrogen; andR.sub.b is a group --(A).sub.m --R.sub.5 wherein m is zero or 1, A is a C.sub.1 -C.sub.6 alkylene chain and R.sub.5 is unsubstituted or substituted phenyl;or a pharmaceutically acceptable salt thereof.

Abstract: Heteroaryl-3-oxo-propanenitrile derivatives of formula (I) ##STR1## wherein X represents an oxygen atom or a --CH(R.sub.4)--, --O--CH(R.sub.4)--,--S(O).sub.n --, --S(O).sub.n --CH(R.sub.4)--, --CH(R.sub.4)--O--, --CH(R.sub.4)--S(O).sub.n -- or --CH(R.sub.4)--CH.sub.2 -- group wherein n is 0, 1 or 2; R.sub.1 represents C.sub.1 --C.sub.6 alkyl, pyridyl or unsubstituted or substituted phenyl; R.sub.2, R.sub.3 and R.sub.4 are as herein defined; and Q is hydrogen, carboxy, C.sub.2 -C.sub.7 - alkoxycarbonyl or a --CON(R.sub.a)R.sub.b group, R.sub.a and R.sub.b being as defined herein; and their pharmaceutically acceptable salts are useful in stimulating myelopoiesis in bone marrow suppressed mammals.

Abstract: Heteroaryl-3-oxo-propanenitrile derivatives of formula (I) ##STR1## wherein X represents an oxygen atom or a --CH(R.sub.4)--, --O--CH(R.sub.4)--, --S(O).sub.n --CH(R.sub.4)--, --CH(R.sub.4)--O--, --CH(R.sub.4)--S(O).sub.n -- --CH(R.sub.4)--CH.sub.2 -- group wherein n is 0, 1 or 2; R.sub.1 represents C.sub.1 -C.sub.6 alkyl, pyridyl or unsubstituted or substituted phenyl; R.sub.2, R.sub.3, and R.sub.4 are as herein defined; and Q is hydrogen, carboxy, C.sub.2 -C.sub.7 -alkoxycarbonyl or a --CON(R.sub.a)R.sub.b group, R.sub.a and R.sub.b being as defined herein; and their pharmaceutically acceptable salts are useful in the preparation of pharmaceutical compositions active in the treatment of autoimmune diseases.

Abstract: Compounds having the general formula (I) ##STR1## wherein X represents an oxygen atom or a --S(O).sub.n --group, wherein n is zero, 1 or 2;R represents C.sub.1 -C.sub.6 alkyl, pyridyl or substituted or unsubstituted phenyl;R.sub.2, R.sub.3 and R.sub.4 are as defined herein; and Q represents hydrogen, carboxy, C.sub.2 -C.sub.7 alkoxycarbonyl or a --CON(R.sub.a)'R.sub.b group wherein R.sub.a and R.sub.b are as defined herein; and their pharmaceutically acceptable salts have immunomodulating activity and are useful in particular as immunostimulating agents, in the treatment of neoplastic diseases and acute and chronic infections of both bacterial and viral origin in mammals.

Abstract: The invention relates to compounds having the general formula (I) ##STR1## and the pharmaceutically acceptable salts thereof, which possess immunomodulating activity and are useful e.g. in the treatment of neoplastic diseases and acute and chronic infections of both bacterial and viral origin in mammals.

Abstract: The invention relates to compounds having the general formula (I) ##STR1## wherein n is zero, 1 or 2;each of R.sub.1 and R.sub.2 is independently:(a) hydrogen, halogen, trifluoromethyl or C.sub.1 -C.sub.6 alkyl;(b) hydroxy, C.sub.1 -C.sub.6 alkoxy or C.sub.3 -C.sub.4 alkenyloxy;(c) nitro, amino, formylamino or C.sub.2 -C.sub.8 alkanoylamino;R.sub.3 represents hydrogen or C.sub.1 -C.sub.8 alkyl;R.sub.4 is:(a') C.sub.1 -C.sub.20 alkyl, unsubstituted or substituted by ##STR2## wherein each of R.sub.a and R.sub.b is independently phenyl or C.sub.1 -C.sub.6 alkyl, or R.sub.a and R.sub.b, taken together with the nitrogen atom to which they are linked, form a N-pyrrolidinyl, N-piperazinyl, hexahydroazepin-1-yl, thiomorpholino, morpholino or piperidino ring, wherein said heterocyclic rings may be unsubstituted or substituted by C.sub.1 -C.sub.6 alkyl or phenyl;(b') C.sub.5 -C.sub.

Abstract: The invention relates to compounds having the general formula (I) ##STR1## and the pharmaceutically acceptable salts thereof, which possess immunomodulating activity and are useful e.g. in the treatment of neoplastic diseases and acute and chronic infections of both bacterial and viral origin in mammals.