摘要:
This invention provides a quinolone derivative having potent antibacterial activity against various bacteria including drug-resistant strains which is a compound of the following formula wherein R1 is an optionally substituted aromatic group, a salt of the same or a hydrate of both. In the formula, R2, R3: hydrogen atom, an alkyl group; R4, R5, R6: hydrogen atoms, hydroxyl group, a halogen atom, carbamoyl group, an alkyl group, an alkoxyl group, an alkylthio group; R7, R8: hydrogen atom, an alkyl group; R9: an alkyl group, an alkenyl group, a halogenoalkyl group, a cyclic alkyl group, an aryl group, a heteroaryl group, an alkoxyl group having from 1 to 6 carbon atoms, an alkylamino group; R10: hydrogen atom, an alkylthio group; R11: hydrogen atom, amino group, hydroxyl group, thiol group, a halogenomethyl group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxyl group; X1: halogen atom, a hydrogen atom; A1: nitrogen atom, C—X2; X2: hydrogen atom, amino group, a halogen atom, cyano group, an halogenomethyl group, a halogenomethoxyl group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxyl group; A2, A3: >C═C(—A1═)—N(—R9)—, >N—C(—A1═)═C(—R9)—; R10 and R9 or R9 and X2 may be integrated to form a ring structure; and Y: hydrogen atom, ester forming group.
摘要翻译:本发明提供了一种喹诺酮衍生物,其具有对各种细菌的抗菌活性,包括耐药菌株,其为下式的化合物,其中R 1为任选取代的芳族基团,其两者的盐或两者的水合物。 式R 2,R 3:氢原子,烷基; R 4,R 5,R 6:氢原子,羟基,卤素原子,氨基甲酰基,烷基,烷氧基,烷硫基; R 7,R 8:氢原子,烷基; R 9:烷基,烯基,卤代烷基,环状烷基,芳基,杂芳基,碳原子数1〜6的烷氧基,烷基氨基, R 10:氢原子,烷硫基; R 11:氢原子,氨基,羟基,硫醇基,卤代甲基,烷基,烯基,炔基,烷氧基; X 1:卤素原子,氢原子; A 1:氮原子,C-X 2; X 2:氢原子,氨基,卤原子,氰基,卤代甲基,卤代甲氧基,烷基,烯基,炔基,烷氧基; A 2,A 3:C = C(-A 1 =)-N(-R 9) - ,> NC(-A 1)= C(-R 9) >) - ; R 10和R 9或R 9和X 2可以一体形成环结构; 和Y:氢原子,酯形成基团。
摘要:
Medicines for the prevention and treatment of neurodegenerative diseases such as Alzheimer's disease and schizophrenia of mammals (including human beings) through the retardation or inhibition of neurodegeneration due to hypofunction of glutamic acid receptor and which contain as an active ingredient 5-substituted-3-oxadiazolyl-1,6-naphthyridin-2(1H)-one derivatives of the formula (I): wherein Het is oxadiazolyl; R1 is hydrogen, lower alkyl, cyclo-lower alkyl, lower alkenyl, lower alkoxy, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, etc.; and R2 is hydrogen, lower alkyl, cyclo-lower alkyl, substituted or unsubstituted aryl, etc., or physiologically acceptable acid addition salts thereof.
摘要翻译:通过延迟或抑制谷氨酸受体功能低下的神经退行性疾病,预防和治疗神经变性疾病如阿尔茨海默病和哺乳动物(包括人类)的精神分裂症的药物,其含有作为活性成分的5-取代-3-恶二唑基 (I)的-1,6-萘啶-2(1H) - 酮衍生物:其中Het是恶二唑基; R 1是氢,低级烷基,环低级烷基,低级烯基,低级烷氧基,取代或未取代的芳基,取代或未取代的杂芳基等。 R 2为氢,低级烷基,环低级烷基,取代或未取代的芳基等,或其生理上可接受的酸加成盐。
摘要:
The present invention provides compounds of formula (I) wherein R1, R2, R3, R4, R5 and R6 are as defined in the specification, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prophylaxis of diseases which are associated with DPP-IV, such as diabetes, particularly non-insulin dependent diabetes mellitus, and impaired glucose tolerance.
摘要:
Imidazonaphthyridine compounds that have a urea containing substituent at the 1-position induce the biosynthesis of cytokines such as interferon and tumor necrosis factor. The compounds exhibit antiviral and antitumor properties. Methods of preparing the compounds and intermediates useful in the preparation of the compounds are also disclosed.
摘要:
Piperidine derivatives and pharmaceutical derivatives thereof useful in methods of treatment of bacterial infections in mammals, particularly in man.
摘要:
The present invention refers to benzo[c]quinolizine derivatives of general formula (I) their pharmaceutically acceptable salts or esters, processes for their preparation and pharmaceutical compositions containing them.
摘要:
Methods of treating and/or preventing sleep disorders in a human afflicted with upper airway passage allergic inflammation and/or congestion associated with allergic rhinitis, including seasonal allergic rhinitis or perennial allergic rhinitis, by administering a therapeutically effective amount of desloratadine, alone or in combination with other active such as a decongestant, e.g., pseudoephedrine are disclosed.
摘要:
Disclosed is an agent for improving learning and/or memory, which is useful for therapy of dementia accompanying disorder of memory due to a cerebrovascular disease, neurodegenerative disease such as Alzheimer's disease, endocrine disease, nutritional or metabolic disorder, infectious disease, drug addiction or the like. The agent for improving learning and/or memory according to the present invention comprises as an effective ingredient an isoquinoline derivative having a specific structure, such as (4aR, 12aR)-2-methyl-4a-(3-hydroxyphenyl)-1,2,3,4,4a,5,12,12a-octahydro-quinoline[2,3-g]isoquinoline or a pharmaceutically acceptable salt thereof.