摘要:
Compounds of this invention are represented by the formula: ##STR1## wherein Z is a C.sub.1 -C.sub.6 alkylene group and R is an alkyl or substituted alkyl group. Class III antiarrhythmic activity is determined in vitro using an electrophysiological test where prolongation of the action potential duration is an indication of activity.
摘要:
Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of (A) a nitrogen containing dispersant with a total base number of from 20 to 160 on an oil-free basis wherein the improvement comprises adding to said dispersant; (B) a sludge preventing/seal protecting additive of at least one aldehyde or epoxide or mixtures thereof.
摘要:
Disclosed is a composition for reducing the copper-lead bearing corrosion of a formulation that includes a major amount of an oil of lubrication viscosity and a minor amount of a corrosion-reducing additive comprising:(A) a dispersant with a total base number of from 20 to 160 on an oil-free basis, with the proviso that the dispersant is substantially boron-free;(B) a metal salt of a phosphorus acid; and(C) a metal overbased composition comprising at least one carboxylate, phenate, or sulfonate wherein the metal is lithium, sodium, potassium, magnesium or calcium, and wherein the improvement comprises(D) a borate ester.
摘要:
Methods of treating cardiac arrhythmias and convulsions in warm-blooded animas and pharmaceutical compositions therefor are disclosed. The compounds useful in the methods of treatment and compositions are represented by the formula ##STR1## where n is 0 to 3 and R is H, C.sub.1 -C.sub.4 alkyl or arylalkyl and Ar is phenyl or substituted phenyl.
摘要:
Novel 1-[(aminoalkyl and aminoalkylamino)carbonyl and thiocarbonyl-.alpha.,.alpha.-diaryl-pyrrolidine, piperidine and homopiperidineacetamides and acetonitriles having the formula: ##STR1## wherein; n is zero, one or two;X is oxygen or sulfur;Z is ##STR2## 10 or --(CH.sub.2); p is 0 to 5 inclusive with the proviso that when Z is ##STR3## p is at least one; Y is aminocarbonyl or cyano;Ar.sup.1 and Ar.sup.2 are 2, 3 or 4-pyrido, phenyl or substituted phenyl;R is hydrogen or loweralkyl;R.sup.1, R.sup.2 and R.sup.3 are hydrogen, cycloalkyl, loweralkyl, phenyl, substituted phenyl, phenylloweralkyl, and R.sup.2 and R.sup.3 taken with the adjacent nitrogen may form a heterocyclic residue, and diastereoisomers when possible and pharmaceutical salts; and the method and pharmaceutical compositions for treating cardiac arrhythmias therewith are disclosed.
摘要:
N-(Arylthioalkyl)-N'-(aminoalkyl)ureas and thioureas and oxidation derivatives having the formula ##STR1## wherein B is thio, sulfinyl or sulfonyl; R.sup.1 and R.sup.2 are hydrogen, loweralkyl, cycloalkyl, 2-furanyl, phenyl, substituted phenyl or phenyl-loweralkyl and R.sup.3 and R.sup.4 are hydrogen, loweralkyl, phenyl or phenyl-loweralkyl wherein phenyl is optionally substituted, or R.sup.3 and R.sup.4 taken with the adjacent nitrogen form a heterocyclic residue. The compounds are useful in the treatment of cardiac arrhythmia.
摘要:
Novel pyrrolidine, piperidine and homopiperidinecarboxamide and thiocarboxamide compounds having the formula: ##STR1## wherein X is --S--, --S(O)-- or --S(O).sub.2 --; A is a loweralkalene chain and A.sup.1 and A.sup.2 are alkalene chains when p and d are one; R, R.sup.1 and R.sup.2 are hydrogen, loweralkyl, phenyl cycloalkyl or phenylalkyl and R.sup.1 and R.sup.2 may form a heterocyclic residue with the adjacent nitrogen atom; Q is a selected aromatic radical, and the pharmaceutically acceptable acid addition salts useful as cardiac antiarrhythmia agents are disclosed.Novel chemical intermediates, unsubstituted on pyrrolidine, piperidine and homopiperidine nitrogen but with --(A.sup.2).sub.p --X--(A.sup.2).sub.d --Q side chain are also disclosed.
摘要:
N-(Aryloxyalkyl)-N'-(aminoalkyl)ureas and thioureas having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen, loweralkyl, cycloalkyl, phenyl or phenyllower alkyl, and R.sup.3 and R.sup.4 are hydrogen, loweralkyl, phenyl and phenylalkyl or R.sup.3 and R.sup.4 taken together with the adjacent nitrogen form a heterocyclic residue are disclosed in a method of suppressing cardiac arrhythmias.
摘要:
A composition prepared by reacting (A) an esterified carboxy-containing interpolymer, said interpolymer being derived from at least two monomers, (i) one of said monomers being at least one vinyl aromatic monomer and (ii) the other of said monomers being at least one alpha, beta-unsaturated acylating agent, and having, before esterification, {overscore (M)}n determined by gel permeation chromatography ranging from about 8,000 to about 350,000, wherein from about 80% to about 99% of the carboxylic groups of said interpolymer are esterified, wherein from about 80 to about 100% of the ester groups contain from 8 to about 23 carbon atoms and from 0 to about 20% of the ester groups contain from 2 to 7 carbon atoms, with (B) a hydrocarbyl substituted carboxylic acid or functional derivative thereof wherein the hydrocarbyl group comprises from about 10 to about 400 carbon atoms, and (C) an amine having an average of more than 1 condensable N—H group, in any order or simultaneously, or with the preformed reaction product of (B) and (C) wherein said preformed reaction product has at least one condensable N—H group. Depending upon the relative amounts of reactant (A) and (B) used, a composition which acts primarily as a viscosity improver with dispersant properties (DVM) or primarily as a dispersant with viscosity improving properties (VMD) may be prepared or compositions with properties intermediate between these.
摘要:
Novel compounds of the formula below wherein W is azetidine, pyrrolidine or piperidine, Q is a straight chain hydrocarbon radical of 1-4 carbons and may contain a double bond, and ##STR1## Ar is phenyl, pyridinyl or pyrimidinyl, a process for their preparation, and novel intermediates are disclosed. The novel compounds and the pharmaceutical compositions of this invention are useful in the treatment of hypertension, arrhythmias and angina.