Abstract: There are disclosed novel 2,6-substituted-3-pyridinecarboxylic acids, esters, and salts useful as herbicides, and as intermediates which provide herbicides.

Abstract: The present invention relates to certain 1,2-dihydro-2-oxo-6-alkyl-3-pyridine carboxylic acids, carboxylate esters, and methanols, their preparation and their use as antihyperglycemic agents.

Abstract: There are disclosed pyridine-2-ethers and pyridine-2-thioethers having a nitrogen-containing cycloaliphatic ring corresponding to the formula ##STR1## the pyridine-N-oxides and/or amine oxides thereof and the pharmaceutically acceptable salts thereof. The compounds show analgesic activity.

Abstract: This invention relates to amine derivatives and salts thereof. These compounds have an anti-ulcer activity which is effective to human beings and animals. This disclosure relates to such compounds, a process for the preparation thereof and an anti-ulcer agent containing the same.

Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: Z is selected from oxygen and the group --YAn wherein Y is selected from C.sub.1 to C.sub.6 alkyl and benzyl and An is an anion;k is zero or the integer 1;n is an integer selected from 3 and 4;X is selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyloxy, substituted benzyloxy, amino, substituted amino and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl; andR.sup.

Abstract: A process for the preparation of 1,4-oxazepinones and thiones having the formula: ##STR1## wherein A is an aromatic ring selected from benzene, naphthalene, quinoline or pyridine; n is 1 to 3; Z is an amino radical; R is hydrogen, loweralkyl, cycloalkyl or phenylloweralkyl; and R.sup.4 and R.sup.5 are hydrogen and loweralkyl starting from chloroaromatic carboxylates and alkanolamines is disclosed.

Abstract: Process for the production of 2-hydroxypyridines having the formula: ##STR1## from 2-pyridine carboxylic acid-N-oxides having the formula: ##STR2## wherein R is H, a --COOH group, an alkyl group having 1 to 8 carbon atoms or an aryl group and n designates a number between 1 and 4. The N-oxide is converted using lower aliphatic carboxylic acid anhydrides in the presence of a tertiary amine. The conversion product is then hydrolyzed.

Abstract: The invention is a process for the preparation of (2-(6-substituted)pyridinyloxy)alkanols comprising contacting a 2-(6-substituted)pyridinol with an organic carbonate at a temperature of between about 0.degree. C. and 250.degree. C.

Abstract: Novel 5-acyl-2-(1H)pyridinones and their use as cardiotonic agents. Typical of the compounds is 5-acetyl-1,2-dihydro-6-methyl-2-oxo-3-pyridinecarbonitrile which is prepared by condensing anionic cyano acetamide with 3-[(dimethylamino)methylenyl]-2,4-pentanedione in an inert organic solvent.

Abstract: 1-R-5-Ar-1,6-naphthyridin-2(1H)-ones (I) or salts thereof, where R is hydrogen or methyl, and Ar is phenyl or phenyl substituted by methyl, ethyl, methoxy, ethoxy, hydroxy, amino, acetylamino, methanesulfonylamino, bromo, chloro, fluoro, cyano or carbamyl are useful as cardiotonic agents and corresponding compounds where Ar is nitrophenyl are useful as intermediates. Also shown as intermediates, are 5-(Ar--CO)-6-[2-(di-lower-alkylamino)-ethenyl]-2(1H)-pyridinones (II) or salts thereof, where Ar is phenyl or phenyl substituted by methyl, ethyl, methoxy, ethoxy, bromo, chloro, fluoro, cyano or nitro and 5-(Ar--CO)-6-methyl-2(1H)-pyridinones (III) where Ar is phenyl or phenyl substituted by methyl, ethyl, methoxy, ethoxy, bromo, chloro, fluoro, hydroxy, cyano or nitro; said compounds (III) where Ar is phenyl or hydroxyphenyl also are useful as cardiotonic agents. Processes for preparing the compounds of formulas I, II and III are shown.

Abstract: Selective herbicides based on compounds of the formula: ##STR1## in which: R.sup.1, R.sup.2 and R.sup.3 are H, lower alkyl, alkoxy or alkoxyalkyl;R.sup.4 is a carboxyl radical, optionally in the form of a salt or ester, or a cyano, cyanoalkyl or alkoxyalkyl radical;R.sup.5 and R.sup.6 are H, lower alkyl or cyano or together form a C.sub.2 to C.sub.5 alkylene radical;R.sup.7 is halogen, lower alkyl, lower alkoxy, lower alkenyl, alkenyloxy, nitro, cyano or amino, alkylene-dioxy;n=0 to 5; and ##STR2## is a nitrogen-containing heterocyclic ring containing 2 or 3 units of unsaturation.

Abstract: Process for the production of 2-halopyridine derivatives having the formula: ##STR1## wherein X is halogen, R is --COOH or a lower alkyl radical and n is a number between 0 and 4. The corresponding 2-pyridine carboxylic acid-N-oxide derivatives having the formula: ##STR2## are reacted in the presence of an excess of organic anhydrides, tertiary alkylamines and a halogen-producing compound having the formula CH.sub.t X.sub.m, wherein t is 1 or 2, m is 2 or 3 and X is halogen, or having the formula C.sub.2 H.sub.p X.sub.m, wherein p is 3 or 4, m is 2 or 3 and X is halogen. The reaction mixture is adjusted to a pH value of 12 to 13 and the desired product is isolated from the mixture. Compound comprising (i) a 2-pyridine carboxylic acid-N-oxide derivative, (ii) an organic anhydride, (iii) a tertiary amine and (iv) a halogen-producing compound having the formula CH.sub.n X.sub.m. The composition can be used as the starting ingredients for the above process.

Abstract: Described are compounds of the formula ##STR1## wherein R is hydrogen, lower alkyl, halo, cyano, hydroxy, amino, lower alkylamino, --CH.sub.2 NH.sub.2, CH.sub.2 OH or COOR"; R' is hydrogen, lower cycloalkyl or lower alkyl; R" is lower alkyl or --CH.sub.2 Ar wherein Ar is phenyl, substituted phenyl, furan or thiophene; R'" is COOR", ##STR2## and x is oxygen or nitrogen; or a pharmaceutically acceptable salt thereof and their use in the treatment of impaired ventricular myocardial contractility.The compounds exhibit cardiotonic activity.

Abstract: The invention relates to new diphenyl ethers of the general formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a nitro group, an optionally halogenated alkyl, alkoxy or alkylthio group having 1-6 carbon atoms, or an alkanoyl group having 1-4 carbon atoms;Y is a nitrogen atom or a group of the formula CH or CCl;Z is a hydrogen atom, a halogen atom, a nitro group, an optionally halogenated alkyl group having 1-4 carbon atoms, or an alkanoyl group having 1-4 carbon atoms; n is 0-2;R.sub.1 is a hydrogen atom, or an alkyl or alkanoyl group having 1-4 carbon atoms;R.sub.2 and R.sub.3 are equal or different and represent hydrogen atoms or alkyl groups having 1-4 carbon atoms; andA is a group of the general formula ##STR2## wherein R.sub.4 is a hydrogen atom, an alkyl group having 1-6 carbon atoms, or a cation of an alkali metal, alkaline earth metal or an alkylated or non-alkylated ammonium group, andR.sub.5 and R.sub.

Abstract: .alpha.-Cyanoacrylic acid lower alkyl esters, and their corresponding amides, characterized by having a heterocyclic containing mercapto radical as one .beta.-substituent and an alkylthio, alkenylthio or a heterocyclic containing mercapto radical as another .beta.-substituent are useful for treating ulcers and for suppressing gastric acid secretion.

Abstract: Acylanilides of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are substituents defined in claim 1; wherein R.sup.4 is hydrogen or alkyl of up to 4 carbon atoms, or is joined to R.sup.5 as stated below;wherein R.sup.5 is hydrogen, hydroxy, or alkoxy or acyloxy each of up to 15 carbon atoms, or is joined to R.sup.4 to form an oxycarbonyl group such that together with the --N--CO--C-- part of the molecule it forms an oxazolidinedione group;wherein R.sup.6 is alkyl or halogenoalkyl of up to 4 carbon atoms;and wherein R.sup.7 is 5- or 6- membered saturated or unsaturated heterocyclic which contains one, two or three hetero atoms selected from oxygen, nitrogen and sulphur, which heterocyclic may be a single ring or may be fused to a benzo-ring, and which heterocyclic is unsubstituted or bears one or two substituents defined in claim 1;processes for their manufacture and pharmaceutical compositions containing them. The compounds possess antiandrogenic activity.

Abstract: 4-R.sub.2 -5-(Lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinones (I), useful as cardiotonics, where R.sub.2 is hydrogen or methyl, are prepared by reacting 2-(lower-alkanoyl)-1-(lower-alkyl)ethenamine (II) with lower-alkyl 2-propynoate or 2-butynoate respectively or by hydrolyzing 4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinonitrile (III), Q is CN) or corresponding 4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinamide to produce the corresponding 5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinic acid and decarboxylating said substituted nictotinic acid to produce I. Also disclosed and claimed are cardiotonic uses of 3-Q-4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinones where Q is hydrogen or cyano and R.sub.2 is hydrogen or methyl (III). Also shown and claimed is methyl 4-acetyl-5-amino-2,4-hexadienoate or acid-addition salt thereof, useful as intermediate or cardiotonic.

Abstract: The invention relates to 4-pyridone-3-carboxylic acid derivatives, a process for the preparation thereof and pharmaceutical compositions containing same. The 4-pyridone-3-carboxylic acid derivatives are useful as antibacterial agents and/or as agents having a stimulating activity on the central nervous system.

Abstract: There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) benzoyl compounds that have pre- and post-emergence herbicidal activity. The derivatives include certain substituted phenyl esters, phenyl thioesters; heterocyclic esters; substituted alkyl and alkylthio esters; carbonates and thiocarbonates; benzoyl phosphonates; substituted alkanones and substituted amides.

Abstract: Fumaric acid monoesters can be prepared by introducing a hydroxyl compound at a rate corresponding to the progress of the reaction into a solution or a melt of maleic anhydride, which may optionally be substituted, if appropriate in the presence of a cis-trans catalyst. New fumaric acid monoesters can be formed by the process.

Abstract: The present invention provides a process for the preparation of aryl carboxylic acids and derivatives thereof by the carbonylation of aryl sulfonyl chlorides. The aryl sulfonyl chlorides are reacted with carbon monoxide and water or an alcohol or amine in the presence of a zero-valent metal catalyst consisting essentially of palladium.

Abstract: The present invention provides a process for the preparation of aryl carboxylic acids and derivatives thereof by the carbonylation of triaryl sulfonium salts. The triaryl sulfonium salts are reacted with carbon monoxide and water or an alcohol or amine in the presence of a triaryl phosphine and a zero-valent metal catalyst selected from palladium or rhodium.

Abstract: Certain 2(1H)-pyridinones are cardiotonic agents. Methods for their preparation and use are disclosed.

Abstract: Novel phenoxypicolinic aldehydes, namely, 6-(4'-difluoromethoxyphenoxy)picolinic aldehyde and 5-fluoro-6-phenoxypicolinic aldehyde.

Abstract: New 2-acylaminomethyl-1H-2,3-dihydro-1,4-benzodiazepine compounds are described having the general formula I ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl or alkenyl radical or the cyclopropylmethyl radical, R.sub.2 is a hydrogen atom, or a lower alkyl or alkenyl radical, n is 0, 1 or 2, R.sub.3 is an optionally substituted furyl, thienyl, pyrrolyl, pyridyl or phenyl radical, R.sub.4 is an optionally substituted furyl, thienyl, pyrrolyl or pyridyl radical, R.sub.5 is a hydrogen or halogen atom, or a lower alkyl, lower alkoxy, hydroxyl, lower alkylthio, nitro, trifluoromethyl, cyano, amino, lower mono- or dialkylamino, lower monoalkanoylamino, lower N-alkyl-N-alkanoylamino or lower alkanoyloxy radical, and R.sub.6 is a hydrogen atom, or a lower alkyl or lower alkoxy radical or R.sub.5 and R.sub.6 together denote a methylenedioxy or ethylenedioxy radical. The compounds have pharmacological, for example, analgesic, properties.

Abstract: Novel N-aroyl N'-phenyl ureas having halogen substituents in the 3- and 5-positions and haloalkyl, haloalkoxy or haloalkylthio in the 4-position of the N'-phenyl are more active and have a broader spectrum of effectiveness than the known benzoylurea insecticides.

Abstract: Pyridine derivatives of the formula: ##STR1## or pharmaceutically acceptable acid addition salts thereof, wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and each represents hydrogen atom or lower alkyl group, or R.sup.1 and R.sup.2, or R.sup.3 and R.sup.4 together with the adjacent nitrogen atom form a heterocycle, A.sup.1 and A.sup.2 are the same or different and each represents alkylene or hydroxy-substituted alkylene group, Y.sup.1 and Y.sup.2 are the same or different and each represents oxygen or sulfur atom, and Z represents ##STR2## These compounds show pharmacological activities such as potentiating activity for leukocyte phagocytosis, potentiating activity for macrophage phagocytosis, potentiating activity for the production of rosette forming cells in the spleen and anti-adjuvant arthritis activity, and are useful as medicines.

Abstract: Pyridyl esters and thiolesters of amino acids, intermediates therefor, synthesis thereof and the use of said esters and thiolesters and compositions for the control of pests.

Abstract: This invention relates to a novel class of amidinourea and amidinothiourea compounds wherein the urea nitrogen atom is substituted by a heterocyclic alkylene group, and their use in pharmaceutical preparations which are useful for producing anti-ulcerogenic, antisecretory, antispasmodic, antihypertensive, anesthetic, anti-arrhythmic, antidiarrheal and antiparasitic action.

Abstract: 1-R"-3-Q-4-R'-5-R-1,6-naphthyridin-2(1H)-ones (I) or salts thereof, where R is lower-alkyl, R' is hydrogen or methyl, R" is hydrogen or lower-alkyl, and Q is hydrogen, hydroxy, amino, cyano, carbamyl, carboxy or aminocarbamyl, are useful as cardiotonic agents (I, Q is hydrogen, hydroxy, amino, cyano or carbamyl) and/or intermediates therefor (I, Q is carboxy, aminocarbamyl, hydrogen, amino, cyano or carbamyl). Also shown are 3-Q"-4-R'-5-(RCO)-6-[2-(di-lower-alkylamino)ethenyl]-2(1H)-pyridinones (II) or salts thereof, where R and R' are as above and Q' is hydrogen or cyano, which are useful as cardiotonics (II, Q' is hydrogen) and/or intermediates (II, Q' is cyano or hydrogen). Processes for preparing the compounds of formulas I and II are shown.

Abstract: The novel compounds of the formula I are useful selective herbicides for postemergence application in crops of cereals, maize and rice.In formula I, ##STR1## A is an unsubstituted or substituted amino group, Q is a C.sub.2 -C.sub.6 alkylene bridge, Y is an oxygen or sulfur atom or an unsubstituted or substituted nitrogen atom, and Z is an unsubstituted or substituted phenyl, naphthyl or heterocyclic radical, which phenyl radical, containing the bridge member Y, can additionally carry one to four further substituents.

Abstract: 4-R.sub.2 -5-(Lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinones (I), useful as cardiotonics, where R.sub.2 is hydrogen or methyl, are prepared by reacting 2-(lower-alkanoyl)-1-(lower-alkyl)ethenamine (II) with lower-alkyl 2-propynoate or 2-butynoate respectively or by hydrolyzing 4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinonitrile (III, Q is CN) or corresponding 4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinamide to produce the corresponding 5-(lower-alkanoyl)-6-(lower-alkyl)-1,2-dihydro-2-oxonicotinic acid and decarboxylating said substituted nictotinic acid to produce I. Also disclosed and claimed are cardiotonic uses of 3-Q-4-R.sub.2 -5-(lower-alkanoyl)-6-(lower-alkyl)-2(1H)-pyridinones where Q is hydrogen or cyano and R.sub.2 is hydrogen or methyl (III). Also shown and claimed is methyl 4-acetyl-5-amino-2,4-hexadienoate or acid-addition salt thereof, useful as intermediate or cardiotonic.

Abstract: A process for producing 6-phenoxypicolinic aldehydes, which comprises reacting a 2-halogeno-6-phenoxypyridine represented by the general formula I: ##STR1## where X is a halogen atom, Y is independently an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms substituted by a halogen atom, an alkylthio group of 1 to 4 carbon atoms, a trifluoromethyl group, a fluorine atom or a chlorine atom, Z is a hydrogen atom or a fluorine atom, and n is an integer of 0 to 2, with magnesium metal, and then with a formylating reagent. These compounds are used as intermediates for the synthesis of insecticides.

Abstract: A 3-substituted-3-fluoropyruvic acid and its ester and salt of the formula: ##STR1## wherein R is a lower alkyl group, a lower alkanoyl group, a fluorinated lower alkanoyl group, a substituted or unsubstituted phenyl group or a substituted or unsubstituted pyridyl group and R' is a hydrogen atom, an ester-forming residue or a salt-forming residue, and their production.

Abstract: The invention concerns the treatment of ulcers and hypersecretion in a mammal using compounds of the formula IAr-A-S-Y Iwhere Ar is phenyl, which may be substituted or cycloalkyl of 5 to 7 carbon atoms, A is saturated or unsaturated lower alkylene which may be substituted by lower alkyl, oxo or hydroxy, S is sulphur and Y is an optionally substituted pyridine, pyridinium, tetrahydropyridine or tetrahydropyridinium radical. Certain novel compounds and pharmaceutical compositions are also claimed.

Abstract: The present application discloses certain 2-substituted propoxy-3-cyano-5-hydroxypyridines. The compounds have pharmaceutical activity e.g. as antihypertensives.

Abstract: Compounds are prepared corresponding to the formula ##STR1## wherein Y represents chloro or R'; R represents ##STR2## wherein X independently represents alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkyl sulfonyl of 1 to 4 carbon atoms, trifluoromethyl, chloro, fluoro or bromo; n represents an integer of 0 to 2 or X.sub.n represents 3,4-methylenedioxy and R' represents R with the proviso that R and R' can be the same or different. The compounds are useful as intermediates for the preparation of insecticidal substituted pyridine methyl esters of cyclopropane carboxylic acids.

Abstract: A series of novel 1-alkyl-3-acyl-5-substituted-phenyl-4(1H)-pyridinones are herbicides, particularly useful in the culture of cotton.

Abstract: Novel organic amide compounds which are N-[6-(acylaminophenyl)-1,2-dihydro-2-oxonicotinoyl]penicillin compounds having broad spectrum antibacterial utility are provided by (a) reacting the free amino acid of the appropriate penicillin or the acid salt or silylated derivative or complex thereof with a reactive derivative of the corresponding N-6-[acylaminophenyl]-1,2-dihydro-2-oxonicotinic acid or (b) reacting the free amino acid 6-aminopenicillanic acid or a related compound or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding D-N-[6-[acylaminophenyl]-1,2-dihydro-2-oxonicotinoyl]-2-substituted glycine. Pharmaceutical compositions containing said compounds and methods for treating infections using said compositions are also disclosed.

Abstract: 1-Ethyl-1,4-dihydro-6-(2-naphthyl)-4-oxonicotinic acid and C.sub.1-6 -alkyl esters thereof as well as their alkali metal, alkaline earth metal or ammonium salts are described. The foregoing compounds are useful as central nervous system stimulants. Also described are 1-ethyl-6-(2-naphthyl)-4-oxo-1,4,5,6-tetrahydronicotinic acid and C.sub.1-6 -alkyl esters thereof, which are useful as intermediates.

Abstract: Novel organic amide compounds which are N-[6-[(acylaminoacylamino or aminoacylamino)phenyl]-1,2-dihydro-2-oxonicotinyl]cephalosporin compounds having broad spectrum antibacterial utility are provided by (a) reacting the free amino acid of the appropriate cephalosporin or the acid salt or silylated derivative or complex thereof with a reactive derivative of the corresponding N-6-[(acylaminoacylamino or aminoacylamino)phenyl]-1,2-dihydro-2-oxonicotinic acid or (b) reacting the free amino acid 7-aminocephalosporanic acid or a related compound or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding D-N-[6-(acylaminoacylamino or aminoacylamino)phenyl]-1,2-dihydro-2-oxonicotinyl]-2-substituted glycine. Pharmaceutical compositions containing said compounds and methods for treating infections using said compositions are also disclosed.

Abstract: A method of preparing substituted acylbenzenes is disclosed. The method comprises reacting selected acylhalides or equivalents with a selected poly-substituted benzene in the presence of an acylating catalyst comprising a clay.

Abstract: The present invention relates to certain 6-alkyl-1,2-dihydro-2-oxo-3-substituted pyridine derivatives, their preparation and antihyperglycemic use.

Abstract: Substituted phenoxy and phenylthio picolinaldehydes are prepared which correspond to the formula: ##STR1## wherein X independently represents alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, trifluoromethyl, 3,4-methylenedioxy, chloro, fluoro or bromo; n represents an integer of 0 to 2 and Y represents oxygen or sulfur. These compounds are employed as intermediates in the preparation of compounds which have a high degree of insecticidal activity.

Abstract: Novel substituted (3-loweralkylamino-2-R.sub.1 O-propoxy)pyridines, their pharmaceutically acceptable salts, certain intermediates and their preparation are disclosed. These pyridines have pharmaceutically useful properties such as .beta.-adrenergic blocking activity.

Abstract: 1-Ethyl-1,4-dihydro-6-(2-naphthyl)-4-oxonicotinic acid and C.sub.1-6 -alkyl esters thereof as well as their alkali metal, alkaline earth metal or ammonium salts are described. The foregoing compounds are useful as central nervous system stimulants. Also described are 1-ethyl-6-(2-naphthyl)-4-oxo-1,4,5,6-tetrahydronicotinic acid and C.sub.1-6 -alkyl esters thereof, which are useful as intermediates.

Abstract: Novel organic amide compounds which are N-[6-[(acylaminoacylamino or aminoacylamino)phenyl]-1,2-dihydro-2-oxonicotinyl] penicillin compounds having broad spectrum antibacterial utility are provided by (a) reacting the free amino acid of the appropriate penicillin or the acid salt or silylated derivative or complex thereof with a reactive derivative of the corresponding N-6-[(acylaminoacylamino or aminoacylamino)-phenyl]-1,2-dihydro-2-oxonicotinic acid or (b) reacting the free amino acid 6-aminopenicillanic acid or a related compound or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding D-N-[6-[(acylaminoacylamino or aminoacylamino) phenyl]-1,2-dihydro-2-oxonicotinyl]-2-substituted glycine. Pharmaceutical compositions containing said compounds and methods for treating infections using said compositions are also disclosed.

Abstract: The present invention relates to certain 6-alkyl-1,2-dihydro-2-oxo-nicotinic acid derivatives, their preparation, and antihyperglycemic use.

Abstract: Substituted pyridine methyl esters of 2-isopropyl-2-(4-chlorophenyl)acetic acid are prepared which correspond to the formula: ##STR1## wherein n represents an integer of 0 to 2; X independently represents alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, trifluoromethyl, nitro, cyano, chloro, fluoro, bromo, or 3,4-methylenedioxy (when n is 2 and both X's are taken together); and R represents hydrogen, cyano or ethynyl. These compounds have been found to exhibit a high degree of insecticidal activity and compositions containing said compounds are so employed.

Abstract: 5-Etherified 2-pyridinecarboxylic acids, e.g. those of the formula ##STR1## or functional derivatives thereof, are hypotensive agents.