Abstract: The present invention relates to derivatives of 16-membered ring macrolide antibiotics rosaramicin, repromicin, 5-mycaminosyltylonide, desmycosin, lactenocin, O-demethyllactenocin, cirramycin A1, and 23-deoxymycaminosyltylonide, which are useful against bacterial and mycoplasmic pathogens in animals. Also claimed are a pharmaceutical composition of such derivatives and their use in treating bacterial and mycoplasmic infections in animals.

Abstract: This invention relates to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are as defined hereinbelow that exhibit activity as immunostimulants.

Abstract: Certain trans-3-[3-(3-hydroxy-2-piperidyl)-2-oxopropyl]thieno[3,2-d]pyrimidin-4(3H )-one and furo[3,2-d]pyrimidin-4(3H)-one derivatives, a method of using same as anticoccidial agents, intermediates therefor, and a process for certain intermediates therefor.

Abstract: Certain trans-3-[3-(3-hydroxy-2-piperidyl)-2-oxopropyl]thieno[3,2-d]pyrimidin-4(3H )-one and furo[3,2-d]pyrimidin-4(3H)-one derivatives, a method of using same as anticoccidial agents, intermediates therefor, and a process for certain intermediates therefor.

Abstract: 6-(Aminomethyl substituted phenyl- and thienylacetamido)penicillanic acid and esters, and synthetic methods for the preparation thereof.

Abstract: A process for inhibiting plant growth comprising contacting a plant or its growth area with an effective amount of certain para-halophenyl substituted triazolines. A series of certain novel substituted tetrahydro-oxothiazolo-triazolium compounds useful as herbicides. A novel process for preparing 3-phenyl-4-oxo-1,2,3-triazoline by contacting benzenediazoniumchloride and an .alpha.-amino carboxylic acid and cyclodehydrating the triazene produced using acetic anhydride and pyridine.

Abstract: 6-(Aminomethyl substituted phenyl- and thienylacetamido)-penicillanic acid and esters, and synthetic methods for the preparation thereof.

Abstract: 6-(Aminomethyl substituted phenyl- and thienylacetamido)-penicillanic acid and esters, and synthetic methods for the preparation thereof.

Abstract: Compounds of the formula ##SPC1##Wherein X is a 6- or 7-position substituent selected from the group consisting of formyl, acetyl, hydroxymethyl, 1-hydroxyethyl and ##EQU1## wherein Y is selected from the group consisting of hydrogen and methyl; R.sub.1 is hydrogen or methyl; R.sub.2, when taken separately, is hydrogen or alkyl having 1 to 4 carbon atoms; R.sub.3, when taken separately, is hydrogen, alkyl having 1 to 4 carbon atoms, --(CH.sub.2).sub.n OH, --(CH.sub.2).sub.n OCH.sub.3, --(CH.sub.2).sub.n NH.sub.2, ##EQU2## or ##EQU3## wherein n is 2 or 3 and R.sub.2 and R.sub.3, when taken together with the nitrogen atom to which they are attached, form a member selected from the group consisting of pyrrolo, pyrrolidino, piperidino, morpholino, thiomorpholino, piperazino, N-(lower alkyl)piperazino, N-hydroxy(lower alkyl)piperazino, N-(lower alkanoyl)piperazino and N-carbo(lower alkoxy)piperazino and the pharmaceutically acceptable acid addition salts of those compounds wherein R.sub.2 has an .omega.

Abstract: A process for inhibiting plant growth comprising contacting a plant or its growth area with an effective amount of certain para-halophenyl substituted triazolines. A series of novel mesoionic para-halophenyl substituted triazolines. A novel process for preparing 3-phenyl-4-oxo-1,2,3-triazoline by contacting benzenediazoniumchloride and an .alpha.-amino carboxylic acid and cyclodehydrating the triazene produced using acetic anhydride and pyridine.

Abstract: A process for inhibiting plant growth comprising contacting a plant or its growth area with an effective amount of certain para-halophenyl substituted triazolines. A series of novel mesoionic para-halophenyl substituted triazolines. A novel process for preparing 3-phenyl-4-oxo-1,2,3-triazoline by contacting benzenediazoniumchloride and an .alpha.-amino carboxylic acid and cyclodehydrating the triazene produced using acetic anhydride and pyridine.

Abstract: Novel quinoxaline-1,4-dioxides of the formula ##SPC1##Wherein R is hydrogen or methyl;Y is lower alkyl; andn is 0, 1, or 2;Methods for their preparation; and their use as antibacterial agents and agents for promoting growth and improving feed efficiency of animals. Additionally, those compounds wherein n is 0 or 1 serve as intermediates for preparation of compounds wherein n is 1 or 2.