摘要:
Quinazoline derivatives and their pharmaceutically acceptable acid addition salts having the general formula ##STR1## wherein R.sup.1 and R.sup.2 each represents hydrogen or alkyl;R.sup.3 represents alkyl or substituted alkyl;R.sup.7 and R.sup.8 each represent alkoxy;Z is oxygen or sulfur;m is zero or 1;n is zero or an integer from 1 to 5,exhibit a cardiotonic activity with little tendency to cause tachycardia.
摘要:
Compounds of the formula ##STR1## wherein R.sub.3 is H or alkyl, Q.sub.1 and Q.sub.2 are independently hydrogen, alkyl, hydroxyl, alkoxyl, amino, mono or di alkylamino, nitro or halo or pharmaceutically acceptable salts are useful as cardiotonics.
摘要:
The present invention relates to imidazoquinazoline derivatives represented by the general formula (I): ##STR1## or pharmacologically acceptable salts thereof. The compounds of the present invention have strong and selective cGMP-specific PDE inhibitory activity and are useful for treating or ameliorating cardiovascular diseases such as thrombosis, angina pectoris, hypertension, arterial sclerosis and the like, as well as asthma and the like.
摘要:
Novel xanthine compounds represented by the following formula: ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 independently represents hydrogen or lower alkyl;each of X.sup.1 and X.sup.2 independently represents oxygen or sulfur; and Q represents: ##STR2## The compounds are useful as a diuretic, a renal-protecting agent and bronchodilator.
摘要:
The present invention relates to imidazoquinazoline derivatives represented by formula (I): ##STR1## wherein R.sup.1 represents hydrogen, substituted or unsubstituted lower alkyl, cycloalkyl, lower alkenyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroarylalkyl, or substituted or unsubstituted heteroaryl, R.sup.2 and R.sup.3 represent independently hydrogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroarylalkyl, or substituted or unsubstituted heteroaryl, or R.sup.2 and R.sup.3 are combined to represent a heterocyclic group containing a nitrogen atom, R.sup.4 represents hydrogen or substituted or unsubstituted lower alkyl, X represents O or S, Y represents a single bond or O, n represents 0, 1, 2, or 3, and pharmaceutically acceptable salts thereof.
摘要:
Wherein n is an integer of from 0 to 3; R1A is a 5-membered aromatic heterocyclic group containing at least one oxygen atom; R2A is —COR8 (wherein R8 is aryl); R3A is hydrogen or lower alkyl; and R12 represents cycloalkyl, aryl, aralkyl, alicyclic heterocyclic group, aromatic heterocyclic group, alicyclic hetocyclic-alkyl, or aromatic heterocyclic-alkyl, and R1A, R2A, R3A and R12 are individually optionally substituted.
摘要翻译:- 根据式(1A)的化合物,其中n为0至3的整数; R1A是含有至少一个氧原子的5元芳族杂环基; R2A是-COR8(其中R8是芳基); R3A是氢或低级烷基; R 12表示环烷基,芳基,芳烷基,脂环族杂环基,芳香族杂环基,脂环族环状烷基或芳香族杂环烷基,R1A,R2A,R3A,R12分别任选被取代,及其药学上可接受的盐。
摘要:
(Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like) For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.
摘要翻译:(其中n为0-3的整数; R 1是取代或未取代的环烷基,取代或未取代的芳基,取代或未取代的脂环族杂环基或取代或未取代的芳族杂环基; R 取代或未取代的芳基,取代或未取代的脂环族杂环基,取代或未取代的芳族杂环基,-COR 8或 R 3和R 4可以相同或不同,并且各自表示氢原子,取代或未取代的低级烷基,取代或未取代的芳烷基,-COR 3, 例如,提供了包含作为活性成分的由通式(I)表示的噻唑衍生物或腺苷A 2A受体拮抗剂的腺苷A 2A受体拮抗剂,或 药学上可接受的盐等。
摘要:
Wherein n is an integer of from 0 to 3; R1A is a 5-membered aromatic heterocyclic group containing at least one oxygen atom; R2A is —COR8 (wherein R8 is aryl); R3A is hydrogen or lower alkyl; and R12 represents cycloalkyl, aryl, aralkyl, alicyclic heterocyclic group, aromatic heterocyclic group, alicyclic hetocyclic-alkyl, or aromatic heterocyclic-alkyl, and R1A, R2A, R3A and R12 are individually optionally substituted.
摘要翻译:其中n为0至3的整数; R1A是含有至少一个氧原子的5元芳族杂环基; R2A是-COR8(其中R8是芳基); R3A是氢或低级烷基; R 12表示环烷基,芳基,芳烷基,脂环族杂环基,芳香族杂环基,脂环族环状烷基或芳香族杂环烷基,R1A,R2A,R3A,R12分别任意取代。
摘要:
(Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like)For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.
摘要翻译:(其中n为0〜3的整数; R 1为取代或未取代的环烷基,取代或未取代的芳基,取代或未取代的脂环族杂环基或取代或未取代的芳香族杂环基; R2为卤素,取代或未取代的低级烷基 取代或未取代的芳基,取代或未取代的脂环族杂环基,取代或未取代的芳族杂环基,-COR 8等; R 3和R 4可以相同或不同,表示氢原子,取代或未取代的低级 烷基,取代或未取代的芳烷基,-COR 12等)例如,提供的是腺苷A 2A受体拮抗剂,其包含作为活性成分的由通式(I)表示的噻唑衍生物或其药学上可接受的盐,以及 类似。
摘要:
Imidazoquinoline derivatives of the formula ##STR1## (wherein X may be O or S) provide selective cyclic guanosine 3',5' monophosphate (cGMP)--specific phosphodiesterase (PDE) inhibitory activity. The compounds are useful for treating or ameliorating cardiovascular disease such as thrombosis, angina pectoris, hypertension, heart failure and arterial sclerosis, as well as asthma, impotence and the like.