摘要:
An aldose reductase inhibitor, comprising a compound of the formula ##STR1## or a pharmaceutically acceptable salt thereof as the effective component, in which R denotes an alkyl of C.sub.1-12, ##STR2## wherein X.sub.1 and X.sub.2 are same or different and are hydrogen or halogen, cyclohexylmethyl, cyclohexyl, tetra-hydro-2H-pyran-1-yl-methyl, carboxy-lower alkyl or cyclo-lower alkyl and n is 2 or 3. These compounds exhibit a superior aldose reductase inhibiting activity with simultaneous high stability, and are for use in the prevention and therapy of diabetic complications.
摘要:
The invention concerns a compound of the formula I, ##STR1## wherein Ar.sup.1 is optionally substituted phenyl or naphthyl; A.sup.1 is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene;Ar.sup.2 is optionally substituted phenylene, or a 6 membered heterocyclene moiety containing up to three nitrogen atoms;R.sup.1 is hydrogen, (1-6C)alkyl, (3-6C)alkenyl, (3-6C)alkynyl, cyano-(1-4C)alkyl or (2-4C)alkanoyl, or optionally substituted benzoyl;wherein R.sup.2 is hydrogen, (1-6C)alkyl, (2-6C)alkenyl, (2-6C)alkynyl or substituted (1-4C)alkyl; andwherein R.sup.3 is hydroxy-(1-4C)alkyl, mercapto-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, (3-4C)alkenyloxy-(1-4C)alkyl, (3-4C)alkynyloxy-(1-4C)alkyl, (1-4C)alkoxy-(2-4C)alkoxy-(1-4C)alkyl, (1-4C)alkylthio-(1-4C)alkyl, (1-4C)alkylsulphinyl-(1-4C)alkyl, (1-4C)alkylsulphonyl-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, (2-4C)alkanoyl-(1-4C)alkyl, (2-4C)alkanoyloxy-(1-4C)alkyl or cyano-(1-4C)alkyl; or R.sup.3 is oxiranyl, oxetanyl, tetrahydrofuranyl or tetrahydropyranyl;or a pharmaceutically-acceptable salt thereof.The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
摘要:
Herbicidal substituted phenoxyphenylpropionic acid derivatives of the formula ##STR1## in which Q represents S, SO or SO.sub.2,m represents the numbers 0 or 1,R.sup.1 represents hydrogen, halogen, cyano or trifluoromethyl,R.sup.2 represents hydrogen or halogen,R.sup.3 represents halogen, cyano, trifluoromethyl, trifluoromethoxy or trifluoromethylsulphonyl,R.sup.4 represents hydrogen or halogen,R.sup.5 represents hydrogen or halogen,R.sup.6 represents hydrogen, cyano, carboxyl, alkyl optionally substituted by halogen or alkoxycarbonyl,R.sup.7 represents halogen, hydroxyl, amino, alkylamino, alkenylamino, alkynylamino, arylamino, aralkylamino, alkoxycarbonyl-alkylamino, cyanoamino, dialkylamino, dialkenylamino, alkylsulphonylamino, arylsulphonylamino, hydroxyamino, alkoxyamino, hydrazino, alkylsulphonylhydrazino, arylsulphonylhydrazino, alkylthio, arylthio, aralkylthio, alkoxycarbonylalkylthio or the grouping O--R.sup.8.
摘要:
The invention concerns a method for the treatment of Parkinson's Disease. The method comprises administering a catechol-O-methyl-transferase inhibiting amount of a compound having the formula I ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen, alkylcarbamoyl of 2 to 5 carbon atoms or alkylcarbonyl of 2 to 5 carbon atoms, X represents nitro or cyano and R.sub.3 represents ##STR2## wherein R.sub.4 represents cyano or alkylcarbonyl of 2 to 5 carbon atoms and R.sub.5 represents cyano; alkylcarbonyl of 2 to 5 carbon atoms; or carbamoyl which is unsubstituted or substituted with alkyl of 1 to 8 carbon atoms, or hydroxyalkyl of 1 to 8 carbon atoms or pharmaceutically acceptable salts or esters thereof; and a sufficient amount of levodopa to treat Parkinson's Disease. A peripheral decarboxylase inhibitor such as carbidopa or benzerazide is also preferably administered.
摘要:
The phenylalkan(en)oic acids of the formula: ##STR1## wherein A isi) --NHCO--,ii) --O--iii) --NHSO.sub.2 --,iv) --CO--v) --CH.sub.2 -- orvi) --CH(OH)--;W isi) C1-13 alkylene,ii) phenylene oriii) ##STR2## R.sup.1 is i) hydrogen,ii) C1-4 alkyl,iii) --COOH,iv) saturated or unsaturated, 4-7 membered mono-cyclic hetero ring containing one nitrogen as a hetero atom or saturated or unsaturated, 4-7 member mono-cyclic hetero ring containing one nitrogen as a hetero atom substituted by an oxo group,v) ##STR3## vi) --CH.sub.2 OH; or A, taken together with W and R.sup.1, isi) ##STR4## ii) ##STR5## iii) --N--(SO.sub.2 R.sup.6).sub.2, iv) ##STR6## or v) ##STR7## two R.sup.2 are, same or different, i) hydrogen,ii) C1-4 alkyl oriii) 4-7 membered saturated or unsaturated, mono-cyclic hetero ring containing two or three of nitrogen and sulfur in total, or two R.sup.2, taken together with a nitrogen to which they are attached, form saturated or unsaturated,i) 7-14 membered, bi- or tri-cyclic hetero ring containing one nitrogen as a hetero atom, orii) 4-7 mebered, mono-cyclic hetero ring containing two or three of nitrogen and oxygen in total;Y is ethylene or vinylene;D isi) --Z--B orii) ##STR8## Z is C3-11 alkylene or alkenylene R is ##STR9## or Z taken together with B, is C3-22 alkyl;R.sup.3 isi) hydrogen,ii) halogen,iii) C1-8 alkyl, alkoxy or alkylthio, oriv) C2-8 alkenyl, alkenyloxy or alkenylthio;n is 1-3;R.sup.4 is C1-7 alkylene;R.sup.5 isi) C1-12 alkyl,ii) C2-12 alkenyl,iii) C5-7 cycloalkyl or pp2 iv) phenethyl or phenethyl wherein the ring is substituted by one C1-4 alkoxy;Two R.sup.6 are, same or different,i) C1-7 alkyl,ii) benzyl oriii) phenyl or phenyl wherein the ring is substituted by one C1-4 alkyl; andTwo R.sup.7 are, same or different, C1-4 alky; with the proviso thati) --A--W--R.sup.1 should bind to 3- or 4- carbon in benzene ring, andii) when W phenylene or ##STR10## A should not represent --O--, --CO--, --CH.sub.2 -- or --CH(OH)--; and non-toxic salts thereof,possess an antagonistic activity on leukotriene B.sub.4, and therefore, are useful for the prevention and treatment of several diseases induced by leukotriene B.sub.4.
摘要:
New fluorinated bisaryloxy-substituted alkenes are prepared by reaction of substituted phenols with perhaloalkenes and can be used as electrical insulating agents.
摘要:
Novel compounds which are 2,6-di-t-butylphenols substituted in the 4 position by an alkoxy or benzyloxy group or a benzylthio group, which alkoxy or benzyloxy group is directly substituted by a tetrazole ring, and which benzylthio group is directly substituted by carboxy or tetrazolyl are useful as inhibitors of leukotriene biosynthesis and as antiallergic agents. Synthetic intermediates for preparing such compounds are also described.
摘要:
This invention relates to carboxylic acid derivatives and their use thereof. The compounds are useful in treatment of various diseases such as diabetes, prediabetic conditions, adipositas ailments or atherosclerosis.
摘要:
Compounds of the formula ##STR1## in which R.sub.1 represents hydrogen or acyl, A represents an optionally N-alkylated .alpha.-amino acid residue which is bonded N-terminally to R.sub.1 and C-terminally to the group --NR.sub.2 --, R.sub.2 represents hydrogen or lower alkyl, R.sub.3 represents hydrogen, lower alkyl, optionally etherified or esterified hydroxy-lower alkyl, cycloalkyl, cycloalkyl-lower alkyl, bicycloalkyl-lower alkyl, tricycloalkyl-lower alkyl, aryl or aryl-lower alkyl, R.sub.4 represents hydroxy or etherified or esterified hydroxy, R.sub.5 represents lower alkyl having 2 or more carbon atoms, optionally etherified or esterified hydroxy-lower alkyl, cycloalkyl, cycloalkyl-lower alkyl, bicycloalkyl, bicycloalkyl-lower alkyl, tricycloalkyl, tricycloalkyl-lower alkyl, aryl, aryl-lower alkyl, optionally substituted carbamoyl, optionally substituted amino, optionally substituted hydroxy or optionally substituted mercapto and R.sub.6 represents substituted amino, and salts of such compounds having salt-forming groups inhibit the blood pressure-increasing action of the enzyme renin and can be used as antihypertensives.
摘要:
Propiolophenone derivatives of the formula ##STR1## wherein R.sup.6 is hydrogen, lower alkyl or a group of the formula ##STR2## as well as corresponding hydroxy compounds of the formula ##STR3## wherein R.sup.6' is hydrogen, lower alkyl, a group of formula (a), (b), (c), (d) or (e) or a group of the formula--C(R.sup.14)(R.sup.15)OR.sup.16' (f'):exhibit mucosa-protective and/or gastric acid secretion-inhibiting properties, such that they can be used for the control or prevention of illnesses of the gastrointestinal tract, especially against gastric ulcers and/or duodenal ulcers.