Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated (.sup.3 H)catecholamine and the subsequent measurement of radioactivity.

Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-0-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the 0-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.

Abstract: An interfacial polymerization process for preparing a high molecular weight aromatic carbonate polymer by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a substituted pyridine or a salt of a substituted pyridine.

Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of certain sterically hindered secondary amines or their salts.

Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a 5 to 8 membered heterocyclic compound which contains only carbon and nitrogen atoms in the ring and further characterized in that the ring contains at least two nitrogen atoms and at least one carbon atom, and in that the ring is aromatic in character and contains a maximum amount of olefinic unsaturation.

Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.

Abstract: An improved process for obtaining halogenated diphenols which can be pure dihalodiphenols or predetermined, statistical mixtures comprising unreacted diphenol, monohalodiphenols and dihalodiphenols.

Abstract: A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of an organic plasticizer, said organic plasticizer being represented by the following general formula: ##STR1## wherein R and R.sub.1 are independently selected from the group consisting of C.sub.1 to C.sub.30 alkyl, aryl of 6 to 14 carbon atoms and substituted aryl wherein the substituents on said substituted aryl are C.sub.1 to C.sub.30 alkyl, halogen, C.sub.1 to C.sub.30 alkoxy, aryloxy of 6 to 14 carbon atoms, alkylthio of 1 to 30 carbon atoms and arylthio of 6 to 14 carbon atoms; R.sub.2 is C.sub.1 to C.sub.30 alkylene, arylene of 6 to 14 carbon atoms, alkarylene of 7 to 30 carbon atoms, aralkylene of 7 to 30 carbon atoms and ##STR2## wherein W is selected from the group consisting of: (a) --O--;(b) --S--; ##STR3## wherein X and Y are independently selected from the group consisting of halogen and C.sub.1 to C.sub.12 alkyl.

Abstract: Compounds represented below ##STR1## and pharmaceutical compositions thereof, the compositions including the non-substituted phenylene dioxamates are useful in the prophylactic treatment of sensitized mammals for allergy and all anaphylactic reactions of a reagin or non-reagin mediated nature.

Abstract: Novel tetraphenolic compounds are disclosed. These compounds have utility as branching agents in the production of novel, randomly branched polycarbonates.

Abstract: An interfacial polymerization process for preparing high molecular weight polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a sterically hindered heterocycloaliphatic secondary amine or a salt thereof.

Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a cyclic amidine.

Abstract: An interfacial polymerization process for preparing a high molecular weight aromatic carbonate polymer by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a compound selected from pyrroles and pyrrole salts.

Abstract: Thermally stable polycarbonate compositions are obtained by admixing with a high molecular weight aromatic polycarbonate resin a stabilizing amount of a hindered phenol phosphite.

Abstract: A continuous process for obtaining highly pure, high molecular weight aromatic polycarbonates from highly pure, halogenated diphenols.

Abstract: Compounds of the formula below are useful for expanding the lumina of air passages in a mammal in need of said treatment. The compounds are also useful for treating atopic eczema and urticaria. ##STR1## wherein X and Y are the same or different and are hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, alkyl of one to four carbon atoms, inclusive, alkoxy of one to four carbon atoms, inclusive, and cyano;R.sub.1 is hydrogen, methyl or ethyl;R.sub.2 is hydrogen, alkyl of one to six carbon atoms, inclusive, phenyl, benzyl,CH.sub.2 Z wherein Z is fluoro, chloro, or bromo,CO.sub.2 M, CH.sub.2 CO.sub.2 M, CH.sub.2 CH.sub.2 CO.sub.2 M and CHR.sub.3 CO.sub.2 M wherein M is hydrogen, alkyl of one to four carbon atoms, inclusive, or a physiologically acceptable metal or amine cation and R is alkyl of one to three carbon atoms, inclusive, with the proviso that M is not hydrogen when R.sub.2 is CH.sub.2 CO.sub.2 M or CHR.sub.3 CO.sub.2 M.

Abstract: Compounds of the formula ##STR1## are useful as anti-allergy agents.

Abstract: Compounds of the formula below are useful for expanding the lumina of air passages in a mammal in need of said treatment. The compounds are also useful for treating atopic eczema and urticaria. ##STR1## wherein X and Y are the same or different and are hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, alkyl of one to four carbon atoms, inclusive, alkoxy of one to four carbon atoms, inclusive, and cyano;R.sub.1 is hydrogen, methyl or ethyl;R.sub.2 is hydrogen, alkyl of one to six carbon atoms, inclusive, phenyl, benzyl,CH.sub.2 Z wherein Z is fluoro, chloro, or bromo,CO.sub.2 M, CH.sub.2 CO.sub.2 M, CH.sub.2 CH.sub.2 CO.sub.2 M and CHR.sub.3 CO.sub.2 M wherein M is hydrogen, alkyl of one to four carbon atoms, inclusive, or a physiologically acceptable metal or amine cation and R.sub.3 is alkyl of one to three carbon atoms, inclusive, with the proviso that M is not hydrogen when R.sub.2 is CH.sub.2 CO.sub.2 M or CHR.sub.3 CO.sub.2 M.

Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.

Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.