摘要:
Novel fused pyridazine compounds represented by general formula (I) (wherein R1, R2, R3 and R4, which may be the same or different, each represents hydrogen, halogen, hydroxy, nitro, amino, cyano, trifluoromethyl, alkyl, alkoxy or alkanoylamino, one of Ra and Rb represents -O-Y-NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen, alkyl, phenylalkyl or substituted phenylalkyl or, when taken together, R5 and R6 represent a group capable of forming a heterocyclic ring together with the adjacent nitrogen atom, and Y represents straight-chain or branched alkylene optionally having hydroxy group(s) on the chain as the substituent) and the other represents H, or Ra and Rb, which may be the same or different, each represents -O-Y-NR5R6 (wherein R5 and R6 are as defined above), W represents =CH- or =N-, X represents CH2, S, SO, SO2 or O, and the bond represented by a dotted line represents a single bond or a double bond), pharmaceutically acceptable salts or hydrates thereof, and their medicinal uses are disclosed. These compounds have the action of increasing phagocytosis of leucocytes, that of increasing phagocytosis of macrophage, that of restoring the number of leucocytes, an infection protective action, an antitumor action, etc., and can be used for prophylaxis or treatment of diseases including human immunodeficiency.
摘要:
Thienocinnoline compounds represented by general for- (wherein R represents hydrogen, halogen or lower alkyl, Ar represents aryl, heteroaryl, or aryl or heteroaryl having at least one substituent selected from the group consisting of halogen, lower alkyl, lower alkoxy, nitro, amino, hydroxy, trifluoromethyl and lower alkanoylamino, and between 5a-position and 6-position represents either a single or a double bond) useful as anti-anxious agents, amnesia treating agents, brain function activating agents, anti-dement agents or bioprotection accelerating agents.
摘要:
Novel fused pyridazine compounds represented by general formula (1) (wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each represents hydrogen, halogen, hydroxy, nitro, amino, cyano, trifluoromethyl, alkyl, alkoxy or alkanoylamino, one of Ra and Rb represents -O-Y-NR 5 R 6 , (wherein R 5 and R 6 , which may be the same or different, each represents hydrogen, alkyl, phenylalkyl or substituted phenylalkyl or, when taken together, R 5 and R 6 represent a group capable of forming a heterocyclic ring together with the adjacent nitrogen atom, and Y represents straight-chain or branched alkylene optionally having hydroxy group(s) on the chain as the substituent) and the other represents H, or Ra and Rb, which may be the same or different, each represents -0-Y-NR 5 R 6 (wherein R 5 and R 6 are as defined above), W represents = CH- or = N-, X represents CH 2 , S, SO, SO 2 or 0, and the bond represented by a dotted line represents a single bond or a double bond), pharmaceutically acceptable salts or hydrates thereof and their medicinal uses are disclosed. These compounds have the action of increasing phagocytosis of leucocytes, that of increasing phagocytosis of macrophage, that of restoring the number of leucocytes, an infection protective action, an antitumor action, etc., and can be used for prophylaxis or treatment of diseases including human immunodeficiency.
摘要:
Novel fused pyrazole compounds represented by general formula (I) (wherein X represents =N- or =CH-, R represents H, alkyl, alkoxy or halogen, Y¹ represents α, phenyl or phenyl substituted by halogen, alkyl or alkoxy, Y² represents β, -A²-B², H, alkyl, substituted alkyl, phenyl or phenyl substituted by a substituent selected from the group consisting of halogen, alkyl and alkoxy, provided that at least one of Y¹ and Y² represents α or β, Z¹ and Z² each represents -O-, -S- or -NR³ (wherein R³ represents H or alkyl), A¹ and A² each represents alkylene, B¹ and B² each represents carboxyl, alkoxycarbonyl or phenylalkoxycarbonyl wherein the phenyl group may optionally be substituted by a substituent selected from the group consisting of halogen, alkyl and alkoxy, acyl, -OH, acyloxy, γ or λ (wherein R¹ and R² represents H, alkyl, dialkylaminoalkyl, hydroxyalkyl or, when taken together, R¹ and R² represent a group forming a heterocyclic ring together with the adjacent nitrogen atom), and L¹ and L² each represents halogen, alkyl or alkoxy) and salts thereof, a process for their preparation and a medicinal composition containing same are disclosed. The compounds have the action of increasing phagocytosis of leucocytes, that of increasing phagocytosis of macrophage, that of restoring the number of leucocytes, that of activating infection protective function, that of improving immunological competence, an antitumor action, etc. ABSTRACT Novel fused pyrazole compounds of the general formula wherein all the symbols are as defined in the specification or its pharmaceutically acceptable salt which possesses a stimulating action on phagocytosis of leukocytes, a stimulating action on phagocytosis of macrophages, a restorative action on leukopenia, a stimulating action on non-specific resistance to infection, an antitumour action, an activating action on immune responses and the like, and therefore is of use as a pharmaceutical.
摘要:
Hetero ring-substituted oxoalkanoic acid derivatives having an immunity-controlling action and represented by the following general formula: (FORMULA) wherein R1 represents a hydrogen atom, a lower alkyl group, or a phenyl, thienyl or furyl group optionally having in an optional position of the nucleus at least one substitutent of halogen, lower alkyl, lower alkoxy, mono- or di-lower alkylamino-substituted lower alkoxy, lower alkylthio, lower alkylsulfinyl, amino, nitro or cyano, R2 and R3 each represents a hydrogen atom or a lower alkyl group, A represents a lower alkylene group, X represents a sulfur atom or a vinylene group, Y represents a nitrogen atom or a methine group optionally having lower alkyl as a substituent, and Z represents a carbonyl group or a single bond.
摘要:
Thienocinnoline compounds represented by general formula (I) (wherein R represents hydrogen, halogen or lower alkyl, Ar represents aryl, heteroaryl, or aryl or heteroaryl having at least one substituent selected from the group consisting of halogen, lower alkyl, lower alkoxy, nitro, amino, hydroxy, trifluoromethyl and lower alkanoylamino, and ----- between 5a-position and 6-position represents either a single or a double bond) useful as anti-anxious agents, amnesia treating agents, brain function activating agents, anti-dement agents or bioprotection accelerating agents.
摘要:
Pyridine derivatives represented by the following general formula wherein R 1 , R 2 , R3, and R 4 , which may the same or different, each represents a hydrogen atom or a lower alkyl group, or R 1 and R 2 , or R 3 and R 4 , are taken together to form a hetero ring together with the adjacent nitrogen atom, A 1 and A 2 , which may be the same or different, each represents an alkylene or hydroxy-substituted alkylene group, Y' and Y 2 , which may be the same or different, each represents an oxygen or sulfur atom, and Z represents or the pharmaceutically acceptable acid addition salts thereof. These compounds show pharmacological effects such as acceleration of leukocyte phagocytosis, acceleration of macrophage phagocytosis, acceleration of production of rosette forming cells of spleen, and depression of adjuvant arthritis, thus being useful as medicines.
摘要:
Hetero ring-substituted oxoalkanoic acid derivatives having an immunity-controlling action and represented by the following general formula: wherein R' represents a hydrogen atom, a lower alkyl group, or a phenyl, thienyl or furyl group optionally having in an optional position of the nucleus at least one substitutent of halogen, lower alkyl, lower alkoxy, mono- or di-lower alkylamino-substituted lower alkoxy, lower alkylthio, lower alkylsulfinyl, amino, nitro or cyano, R 2 and R 3 each represents a hydrogen atom or a lower alkyl group, A represents a lower alkylene group, X represents a sulfur atom or a vinylene group, Y represents a nitrogen atom or a methine group optionally having lower alkyl as a substituent, and Z represents a carbonyl group or a single bond.