摘要:
Novel compound of the formula: ##STR1## is useful as a platelet activating factor antagonist and is so stable that it is advantageously used as drugs.
摘要:
Novel pyridinium derivatives represented by the formula (I): ##STR1## wherein ##STR2## is an optionally substituted pyridinium ring; R.sup.1 is a lower alkyl group or aralkyl group;R.sup.7 and R.sup.10 are independently hydrogen, a lower alkyl group, aryl group or aralkyl group;l is 0 or 1;R.sup.5 is a phenylene group or an alkylene group which may be substituted;R.sup.11 is an alkyl group or aryl group;X is a group of the formula: --CH.sub.2 OCH.sub.2 -- or a group of the formula: ##STR3## wherein R.sup.6 is hydrogen, a lower alkyl or a lower alkoxy, and m is an integer of 0 to 3;U is a group of the formula: ##STR4## wherein R.sup.4 is hydrogen, a lower alkyl group, aryl group or aralkyl group;Y and Z are independently a divalent chain group consisting of one to six members which is selected from the class consisting of groups of the formulae: ##STR5## wherein R is hydrogen, a lower alkyl group, acyl group or aryl group and at least one of which is a group of the formula: ##STR6## with the proviso that R may be the same or different from each other, or may form a ring together when two or more groups of the formula: ##STR7## are present, that R may be bonded to R.sup.4 when Y contains a group of the formula: ##STR8## and that R may be bonded to R.sup.11 when Z contains a group of the formula: ##STR9## and W.sup..crclbar. is a counter anion; are useful as a platelet activating factor antagonist.
摘要:
Novel lipid derivatives of the formula ##STR1## [wherein R.sup.1 is alkyl or alkylcarbamoyl; R.sup.2 is hydrogen, hydroxy which may be substituted, amino which may be substituted or cyclic amino; R.sup.3 is a chemical binding or alkylene which may be substituted; R.sup.4 is hydrogen, alkyl or aralkyl; X and Y are independently O, S or an imino group which may be substituted, and when Y is an imino group, Y, together with the imino group represented by X or R.sup.4, may form a ring; and Z is imino or a nitrogen-containing heterocyclic ring which may be substituted] and salts thereof have inhibiting activity on platelet activating factor and are useful as a preventive or therapeutic agent for a variety of circulatory diseases and allergic disorders and also as an antineoplastic agent.
摘要:
Glycerol derivatives, inclusive of salts thereof, of the formula ##STR1## wherein R.sup.1 is alkyl or alkylcarbamoyl containing 10 to 30 carbon atoms, R.sup.2 and R.sup.3 are independently hydrogen, C.sub.1-6 alkyl or, taken together with the adjacent nitrogen atom, form cyclic amino, and ##STR2## represents cyclic ammonio, and of the formula ##STR3## wherein R.sup.1 is as defined above, R.sup.2' and R.sup.3' are C.sub.1-6 alkyl or, taken together with the adjacent nitrogen atom, form cyclic amino and R.sup.4', R.sup.5' and R.sup.6' are independently hydrogen or C.sub.1-6 alkyl, are useful as antihypertensive agents.
摘要:
Novel lipid derivatives of the formula ##STR1## [wherein R.sup.1 is alkyl or alkylcarbamoyl; R.sup.2 is hydrogen, hydroxy which may be substituted, amino which may be substituted or cyclic amino; R.sup.3 is a chemical binding or alkylene which may be substituted; R.sup.4 is hydrogen, alkyl or aralkyl; X and Y are independently O, S or an imino group which may be substituted, and when Y is an imino group, Y, together with the imino group represented by X or R.sup.4, may form a ring; and Z is imino or a nitrogen-containing heterocyclic ring which may be substituted] and salts thereof have inhibiting activity on platelet activating factor and are useful as a preventive or therapeutic agent for a variety of circulatory diseases and allergic disorders and also as an antineoplastic agent.
摘要:
A novel phospholipid of the formula: ##STR1## wherein R.sup.1 is an alkyl group of 10 to 24 carbon atoms, R.sup.2 is a cyclic imide group and A.sup.+ is a cyclic ammonio group and a salt thereof have platelet activating factor inhibiting activity and are useful for prevention and treatment of circulatory disorders and allergic bronchial asthma.
摘要:
Compounds of the formula ##STR1## wherein R.sup.1 is a C.sub.10-24 alkyl group, R.sup.2 is a C.sub.1-4 alkyl group or a phenyl-C.sub.1-3 alkyl group and A.sup.+ is a heterocyclic group containing a quaternized nitrogen, and physiologically acceptable salts thereof have platelet activating factor inhibiting activity and are useful in the prevention and treatment of various circulatory diseases or allergic diseases.
摘要:
This invention relates to methods for the prophylaxis or treatment of diabetic nephropathy comprising, administering as an active ingredient, a compound, or salt thereof, of formula (I) wherein R1 stands for H or lower alkyl; R2 stands for an optionally esterified carboxyl group; R3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring; Y stands for a bond, —O—, —S(O)m— wherein m stands for 0, 1 or 2, or —N(R4)— wherein R4 stands for H or an optionally substituted alkyl group).
摘要翻译:本发明涉及预防或治疗糖尿病性肾病的方法,包括给予其中R 1代表H或低级烷基的式(Ⅰ)化合物或其盐作为活性成分; R 2代表任选酯化的羧基; R 3代表实际上或潜在地能够形成阴离子的基团; X表示亚苯基和苯基直接或通过原子链长度为2或更小的间隔物彼此结合; n代表1或2; 环A代表苯环; Y代表键,-O - , - S(O)m-,其中m代表0,1或2或-N(R 4) - ,其中R 4代表H或任选取代的烷基 组)。
摘要:
This invention relates to methods for lowering urinary total protein comprising, administering as an active ingredient, a compound or salt thereof represented by general formula (I) wherein R1 stands for H or alkyl; R2 stands for an optionally esterified carboxyl group; R3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R2; Y stands for a bond, —O—, —S(O)m— wherein m stands for 0, 1 or 2, or —N(R4)— wherein R4 stands for H or an optionally substituted alkyl group.
摘要:
Benzimidazole derivatives of the formula (I): ##STR1## wherein the ring A is a benzene ring which may optionally contain substitution in addition to the R' group; R' is hydrogen or an optionally substituted hydrocarbon residue; R.sup.2 is a group capable of forming an anion or a group convertible thereinto; X is a direct bond or a spacer having an atomic length of two or less between the phenylene group and the phenyl group; R' is carboxyl, an ester thereof, an amide thereof or a group capable of forming an anion or convertible to an anion; Y is --O--, --S(O).sub.m -- or --N(R.sup.4)-- wherein m is an integer of 0, 1 or 2 and R.sup.4 is hydrogen or an optionally substituted alkyl group; and n is an integer of 1 or 2; and the pharmaceutically acceptable salts thereof, have potent angiotensin II antagonistic activity and antihypertensive activity, thus being useful as therapeutic agents for treating circulatory system diseases such as hypertensive diseases, heart diseases (e.g. hypercardia, heart failure, cardiac infarction, etc.), strokes, cerebral apoplexy, nephritis, etc.