Abstract: The compound 3-((4-(2,2-dichloro-1,1-difluoroethoxy)-2-methyl-5-nitrophenyl)sulfonyl)-2 -propenenitrile. The compound has antimicrobial activity.

Abstract: N-(5,7-Dibromo-1,3-benzoxathiol-2-ylidene)-N-methylmethanaminium bromide and the analogous diodo iodide, new compounds, are prepared by the thermal rearrangement of O-(2,4,6-tribromophenyl)-N,N-dimethylthiocarbamate and O-(2,4,6-triiodophenyl)-N,N-dimethylthiocarbamate. The first-named compound has antimicrobial utility. Both compounds are useful as starting materials for the preparation of bis-(3,5-dibromo-2-hydroxyphenyl)disulfide and 2,4-diiodo-6-mercaptophenol, respectively, by hydrolysis of the two first-named compounds with methanolic sodium hydroxide. Both the disulfide and the mercaptophenol compounds have antimicrobial utility.

Abstract: 3-Bromo-2,2-bis(bromomethyl)propyl bromomethanesulfonate. It is useful in the control of the athlete's foot microorganism, Trichophyton mentagrophytes.

Abstract: 3,4,5-Tris(4-pyridinylthio)-2,6-pyridinedicarbonitrile is prepared by reacting three molar proportions of 4-alkali metal mercaptopyridine with one molar proportion of 3,4,5-trihalo-2,6-pyridinedicarbonitrile. The product has antimicrobial utility.

Abstract: Quinolinesulfonyl hydrazine and quinolinesulfonyl bromide compounds of the formula ##STR1## wherein R is either a bromine radical or a hydrazine radical. The quinolinesulfonyl hydrazine compounds are useful as intermediates for making quinolinesulfonyl bromide compounds, the latter being useful as antimicrobials.

Abstract: The new compound 1,3-dithiolo(4,5-b)pyrazin-2-ylidene-propanedinitrile 4-oxide is prepared by reacting substantially equimolar proportions of di-(sodiomercapto)methyleneamalononitrile with 2,3-dichloropyrazine 1-oxide. The compound has fungicidal, algicidal and marine antifoulant utility.

Abstract: Aryl dibromonitromethyl sulfones, new compounds, wherein aryl is phenyl or lower alkyl phenyl, are effective as antimicrobials at a concentration of about 100 parts per million.

Abstract: Dibromonitromethyl methyl sulfone is effective as a slimicide at a concentration of about 100 parts per million.

Abstract: The compound 2-chloro-3-((4-(2,2-dichloro-1,1-difluoroethoxy)phenyl)sulfonyl)propanenit rile. The compound has antimicrobial utility.

Abstract: 3-((3-(Trifluoromethyl)phenyl)sulfonyl)-2-propenenitrile. The compound has antimicrobial utility.

Abstract: The title compound is prepared by reacting trichloroethenylthiophenylsulfonyl chloride with acrylonitrile in the presence of a small amount of cupric chloride, acetonitrile and triethylamine hydrochloride, recovering the product from the reaction medium.

Abstract: 3-((4-(2,2-Dichloro-1,1-difluoroethoxy)phenyl)sulfonyl)-2-propenenitrile is prepared by mixing together 2-chloro-3-((4-(2,2-dichloro-1,1-difluoroethoxy)phenyl)sulfonyl)propanenit rile and a slight molar excess of triethylamine in the presence of benzene as reaction medium.

Abstract: Compounds are prepared corresponding to the formula ##STR1## WHEREIN R represents hydrogen or methylenethiocyanate (--CH.sub.2 SCN) and each of R.sup.1 and R.sup.2 represents loweralkyl of 1 to 4 carbon atoms. Those compounds wherein R is methylenethiocyanate have been found to be active antimicrobial agents and those wherein R is hydrogen are useful as intermediates therefor.

Abstract: The new compound 1,3-dithiolo(4,5-b)pyrazin-2-ylidene-propanedinitrile 4-oxide is prepared by reacting substantially equimolar proportions of di-(sodiomercapto)methylenemalononitrile with 2,3-dichloropyrazine 1-oxide. The compound has fungicidal, algicidal and marine antifoulant utility.

Abstract: The new compound 1,3-dithiolo(4,5-b)pyrazin-2-ylidene-propanedinitrile 4-oxide is prepared by reacting substantially equimolar proportions of di-(sodiomercapto)methylenemalononitrile with 2,3-dichloropyrazine 1-oxide. The compound has fungicidal, algicidal and marine antifoulant utility.

Abstract: Compounds are prepared corresponding to the formula ##STR1## WHEREIN R represents hydrogen or methylenethiocyanate (--CH.sub.2 SCN) and each of R.sup.1 and R.sup.2 represents loweralkyl of 1 to 4 carbon atoms. Those compounds wherein R is methylenethiocyanate have been found to be active antimicrobial agents and those wherein R is hydrogen are useful as intermediates therefor.

Abstract: This invention concerns dibromo- and tribromomethanesulfonamides of the formula ##STR1## wherein ##STR2## is a heterocyclic ring which may contain oxygen as another hetero atom and may be substituted with 1 to 2 lower alkyl groups, and x is 2 or 3. The compounds have antimicrobial activity.

Abstract: The title compounds are prepared in excellent yields by reacting an alkali aromatic mercaptide with bromochloromethane in the presence of a quaternary ammonium salt having ten or more carbon atoms. Normally the chlorobromomethane is used in excess as the liquid reaction medium. Reaction temperatures are normally selected in the range of from about 20.degree. to about 65.degree. C.

Abstract: The compounds of the formula ##SPC1##In which R independently is hydrogen, lower alkyl, lower alkoxy, halo or trifluoromethyl; x is 1 to 2; n is 1 to 3, and R.sub.1 and R.sub.2 independently are hydrogen, lower alkyl or phenyl and together with the nitrogen atom form a heterocycle which may contain an oxygen atom as a hetero atom. The compounds are prepared by reacting the corresponding N-substituted-1-(arylthio)methanesulfonamide with small, incremental amounts up to substantially equimolar of 30% hydrogen peroxide in glacial acetic acid at 65.degree.-70.degree. C., to obtain the sulfinyl compound, or substantially two equimolar proportions of 30% hydrogen peroxide in glacial acetic acid at reflux temperature to obtain the sulfonyl compound, and recovering the corresponding sulfinyl or sulfonyl product.

Abstract: 3,4-Dihalo-2,5-thiophenedicarbonitriles of the formula ##SPC1##Wherein each X independently is chloro or bromo. The compounds have plant fungicidal activity.