摘要:
A 1-methylcarbapenem compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.2 represents hydrogen or an ester residue; and A represents a group of the formula (A1) ##STR2## wherein n is 0, 1 or 2, P is 0, 1 or 2, R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sup.4 is a group (Q2) ##STR3## wherein B is phenylene, phenylene(C.sub.1 -C.sub.3)alkyl, cyclohexylene, cyclohexylene(C.sub.1 -C.sub.3)alkyl or C.sub.1 -C.sub.5 alkylene, R.sup.7 is hydrogen or C.sub.1 -C.sub.4 alkyl, and R.sup.14 is a group --C(.dbd.NH)R.sup.8, wherein R.sup.8 is hydrogen or C.sub.1 -C.sub.4 alkyl or a group --NR.sup.9 R.sup.10, wherein R.sup.9 and R.sup.10 are the same or different and are hydrogen or C.sub.1 -C.sub.4 alkyl; or a pharmacologically acceptable salt thereof.
摘要:
A 1-methylcarbapenem compound represented by the following formula: ##STR1## [wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, R.sup.2 represents a hydrogen atom or a lower alkyl group, R.sup.3 represents a hydrogen atom, a lower alkyl group, a lower alkyl group which has a substituent, a cycloalkyl group or a group of formula --C(.dbd.NH)R.sup.4 (in which R.sup.4 represents a hydrogen atom, a lower alkyl group or an amino group)]; or a pharmacologically acceptable salt or derivative thereof. The 1-methylcarbapenem compounds of the present invention exhibit excellent antibacterial activity and are therefore effective as a preventive or remedy of infections.
摘要:
This invention provides crystalline forms of a 1-methylcarbapenem derivative of formula (I) or of pharmaceutically acceptable salts thereof. The crystalline forms of the 1-methylcarbapenem derivative exhibit excellent antibiotic activity against various bacterial strains and sufficient stability for practical use.
摘要:
A sealed multi-row roller bearing device for rolling mills, wherein the opposite ends of the inner race are extended, and a plurality of inner annular bodies which are of one of the groups of elements defining labyrinths are fitted on the extension of the inner race, while outer annular bodies which are of the other group of elements defining labyrinths are removably connected to the end of the outer race.
摘要:
Compounds of formula (I): ##STR1## [in which: Y represents a group of formula ##STR2## the dotted line is a double of single bond; R.sup.1 is hydrogen, alkyl or aryl; R.sup.2 is hydrogen or halogen; R.sup.3 is alkyl or cycloalkyl; R.sup.4 is hydrogen, alkyl, hydroxy or halogen; and R.sup.6 is hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or aralkyl;]and pharmaceutically acceptable salts thereof are valuable in the treatment of cachexia. Certain of these compounds are novel.
摘要:
Compounds of formula (I): ##STR1## in which: R.sup.1 is aryl or aromatic heterocyclic; R.sup.2 and R.sup.3 are hydrogen, alkyl, alkoxy, halogen, phenyl, phenoxy, C.sub.1 -C.sub.6 alkylthio, phenylthio, C.sub.1 -C.sub.6 haloalkyl, cyano or nitro, or together are alkylene optionally containing oxygen; R.sup.4 is hydrogen, aliphatic acyl, cycloalkylcarbonyl, cycloalkoxycarbonyl, aromatic acyl, alkoxycarbonyl or benzyloxycarbonyl; R.sup.5 and R.sup.6 are alkyl; and X is oxygen, sulfur or methylene, have calcium channel blocking activity and can serve for the treatment or prophylaxis of cardiovascular diseases and disorders. They may be prepared by reacting a corresponding compound where R.sup.4 is hydrogen and the aminoethyl group is replaced by hydrogen with a compound providing the aminoethyl group and the, if required, acylating the product.
摘要:
Fused ring compounds of formula (I): ##STR1## (where R.sup.1 -R.sup.4, X.sup.1 and X.sup.2 represent hydrogen or various substituents, n and m are 1-3 and 2-7 respectively, the dotted lines are double or single bonds and Y is one oxygen or two hydrogens) have magnificent anti-arrhythmic activity, diuretic activity and the ability to improve brain function.
摘要:
An angiotensin II antagonist of the formula: ##STR1## in which: R.sub.p.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or C.sub.1 -C.sub.6 alkanoyl; R.sub.p.sup.2 represents a single bond, C.sub.1 -C.sub.4 alkylene or C.sub.1 -C.sub.4 alkylidene; R.sub.p.sup.3 and R.sub.p.sup.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.6 alkyl; R.sub.p.sup.5 represents hydrogen, C.sub.1 -C.sub.4 alkyl, phenyl, naphthyl, benzyl, diphenylmethyl, naphthylmethyl, alkanoyloxyalkyl, cycloalkanecarbonyloxyalkyl, alkoxycarbonyloxyalkyl, cycloalkyloxycarbonyloxyalkyl, (5-phenyl-2-oxo-1,3-dioxolen-4-yl)methyl, (5-alkyl-2-oxo-1,3-dioxolen-4-yl)methyl or phthalaidyl; R.sub.p.sup.6 represents a carboxy or a tetrazol-5-yl; and X.sub.p represents an oxygen or sulfur, and pharmaceutically acceptable salts thereof. The compounds have hypotensive activity and can thus be used for the treatment and prophylaxis of hypertension.
摘要:
Compounds of the following formula (I) or the formula (I).sub.p : ##STR1## wherein R.sup.1 is alkyl or alkenyl; R.sup.2 and R.sup.3 are hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or aryl fused to cycloalkyl; R.sup.4 is hydrogen, alkyl, alkanoyl, alkenoyl, arylcarbonyl, alkoxycarbonyl, tetrahydropyranyl, tetrahydrothiopyranyl, tetrahydrothienyl, tetrahydrofuryl, a group of formula --SiR.sup.a R.sup.b R.sup.c, in which R.sup.a, R.sup.b and R.sup.c are alkyl or aryl, alkoxymethyl, (alkoxyalkoxy)methyl, haloalkoxymethyl, aralkyl, aryl or alkanoyloxymethoxycarbonyl; R.sup.5 is carboxy or --CONR.sup.8 R.sup.9, wherein R.sup.8 and R.sup.9 hydrogens or alkyl, or R.sup.8 and R.sup.9 together form alkylene; R.sup.6 is hydrogen, alkyl, alkoxy or halogen; R.sup.7 is carboxy or tetrazol-5-yl; R.sub.p.sup.1 is hydrogen, alkyl, cycloalkyl or alkanoyl; R.sub.p.sup.2 is a single bond, alkylene or alkylidene; R.sub.p.sup.3 and R.sub.p.sup.4 are each hydrogen or alkyl; R.sub.p.sup.6 is carboxy or tetrazol-5-yl; and X.sub.p is oxygen or sulfur; and pharmaceutically acceptable salts and esters thereof. The compounds are AII receptor antagonists and thus have hypotensive activity and can be used for the treatment and prophylaxis of hypertension. The compounds may be prepared by reacting a biphenylmethyl compound with an imidazole compound.