Abstract: New thiopropanoylamino acid derivatives which have the formula ##STR1## wherein R and R.sub.1 each is lower alkyl;R.sub.2 and R.sub.3 each is hydrogen or lower alkyl; or R.sub.1 can be joined to either R or to R.sub.2 in a five membered ring;R.sub.4 is hydrogen, lower alkanoyl or benzoyl;Are useful as hypotensive agents.

Abstract: Described are .alpha.-oxy(oxo) sulfides and ethers having the generic structure: ##STR1## wherein X is one of: ##STR2## Z is one of sulfur or oxygen; when R.sub.1 and R.sub.2 are taken separately, R.sub.1 is hydrogen or methyl, and R.sub.2 is methyl; and when R.sub.1 and R.sub.2 are taken together, R.sub.1 and R.sub.2 form phenyl moieties; and Y is one of C.sub.1 -C.sub.4 alkyl, C.sub.3 or C.sub.4 alkenyl, acetyl, methoxycarbonylmethyl, or 1,3-diethylacetonyl.Addition of one or more .alpha.

Abstract: Certain synthetic zeolites have been found to provide high conversion over extended periods when used as catalysts in the addition reaction of hydrogen sulfide with branched, unsymmetrical olefins to produce tertiary mercaptans.

Abstract: Beta,beta-dialkylethylmercaptoethoxylates as new compounds.

Abstract: An improvement in the process of preparing a polyhalodiphenyl carbonate containing 6-10 halogen atoms from a reaction in a basic aqueous medium of a polyhalophenol and a carbonate precursor in the presence of a suitable catalyst, the improvement comprising reacting the components at a pH above about 10.5 in the presence of a solvent in which the polyhalodiphenyl carbonate is essentially insoluble and in which color bodies associated with polyhalophenol are soluble and retained. The improved process produces a polyhalodiphenyl carbonate which is essentially colorless and which possesses a low residual chloride content.

Abstract: Compounds of the formula ##STR1## wherein A is oxygen or --NH--, andR is straight or branched alkyl of 2 to 22 carbon atoms or straight or branched alkenyl of 3 to 18 carbon atoms,And acid addition salts thereof; the compounds as well as the salts are useful as acaricides.

Abstract: A composition useful as herbicides, germicides, and acaricides without showing toxicity to men and beasts as well as to fish and shellfishes containing as the active ingredient the compound represented by the general formula ##STR1## wherein R represents a lower alkyl group; R' represents a group shown by the formula ##STR2## (WHEREIN Y represents a halogen atom, an alkyl group, an alkoxy group, a nitro group, a methylthio group, or a trifluoromethyl group and n is an integer of 0 to 3); X represents an oxygen atom or a sulfur atom; and m is an integer of 3 to 6.

Abstract: New glycine and alanine thioesters of the formula ##STR1## wherein R.sub.1 and R.sub.2 each represent C.sub.1 -C.sub.4 -alkoxy or halogen,R.sub.3 represents hydrogen, C.sub.1 -C.sub.3 -alkyl or halogen,R.sub.4 represents hydrogen or methyl,R.sub.5 represents methyl or ethyl,R.sub.6 represents hydrogen, C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by cyano or thiocyano, C.sub.2 -C.sub.4 -alkyl which is substituted by halogen, C.sub.2 -C.sub.5 -alkenyl which is unsubstituted or substituted by halogen, C.sub.2 -C.sub.4 -alkynyl or C.sub.3 -C.sub.7 -cycloalkyl, andX represents ##STR2## with the proviso that the total number of carbon atoms contained by the groups R.sub.1, R.sub.2, R.sub.3 and R.sub.4 does not exceed 8.

Abstract: Certain novel carbamates and thiolcarbamates are broad spectrum herbicides, which can be applied to the locus of undesired vegetation either preemergence or postemergence. Typical representatives of this class of compounds are methyl N-(N-cyclohexylcarbamoyl-N',N'-dimethylamidino)-N-methylcarbamate and methyl N-?1-(3-cyclohexyl-1-methylureido)-1-dimethylaminomethylene!carbamate.

Abstract: N-tetrachlorofluoroethylthio-halo-benzoyl anilide compounds having the formula ##STR1## in which R is chlorine, bromine, iodine or trifluoromethyl and R.sub.1 is hydrogen, halogen, trifluoromethyl, alkyl having 1 to 5 carbon atoms, alkoxy having 1 to 2 carbon atoms or alkylthio having 1 to 2 carbon atoms; and their use as fungicides.

Abstract: Novel compounds having the formula ##STR1## in which X is hydrogen, mono- or dihalo or 2-methyl; Y is oxygen or sulfur; R is alkyl, lower alkenyl, chloro-lower alkenyl, carbomethoxymethyl or methyl-thiomethyl; and R.sub.1 is lower alkyl, lower alkenyl or p-chlorobenzyl, provided that if X is 4-chloro, R is other than methyl-thiomethyl. The novel compounds of this type possess aphicidal activity.Also disclosed is a novel process for making O-(substituted)benzyl thiocarbamate intermediates for these compounds.

Abstract: (Polychlorophenoxy)methyl esters of thiocyanic acid of the formula ##STR1## WHEREIN X is hydrogen or chloro. The compounds are prepared by reacting substantially equimolar proportions of the appropriate polychloroanisole with phosphorous pentachloride at an elevated temperature to form the corresponding .alpha.,polychloroanisole and reacting the latter with potassium thiocyanate in an appropriate solvent at reflux temperature and recovering the (polychlorophenoxy)methyl ester of thiocyanic acid. The compounds have fungicidal and marine antifoulant activity.

Abstract: Chloral hydrate bis-ester of 2,2,3-trichloropropionic acid, CCl.sub.3 CH(OCOCCl.sub.2 CH.sub.2 Cl).sub.2, its preparation by reacting chloral hydrate with 2,2,3-trichloropropionyl chloride and herbicidal compositions containing chloral hydrate bis-ester of 2,2,3-trichloropropionic acid.

Abstract: Fruit abscission is induced by application to a fruit bearing plant of particular 1,2-bis(thioalkyl)alkanes and derivatives thereof optionally in combination with nonphytotoxic surfactant different from said alkanes and derivatives. The alkanes and derivatives have the structural formula ##STR1## wherein R is an alkyl group having 8-10 carbon atoms and both X's are the same and are selected from the group consisting of thiomethyl, thioethyl, sulfinylmethyl, sulfinylethyl, sulfonylmethyl, and sulfonylethyl.

Abstract: Certain pyridyl phthalamic acids have been found to be effective in regulating the growth of leguminous plants.

Abstract: N-(Cycloalkylalkoxymethyl)-halogenoacetanilides are very suitable for selectively combating of weeds in cultivated plants such, for example, as maize, soya, cotton, sorghum sugar beets.

Abstract: Fruit abscission is induced by application to a fruit bearing plant of particular sulfides and sulfide derivatives optionally in combination with non-phytotoxic surfactant different from said sulfides and derivatives. The sulfides and derivatives have the structural formula RXR' wherein R' is methyl or ethyl, wherein X is selected from the group consisting of sulfide, sulfoxide and sulfone, and R is akyl or alkenyl having 10-12 carbon atoms when X is sulfide or sulfoxide and 8-14 carbon atoms when X is sulfone.

Abstract: Method of preventing, for a time, growth of perennial grasses and sedges in which a halostyrene compound selected from .alpha.-(2,2,2-trichloroethyl)-m-chlorostyrene and .alpha.-(2,2,2-trichloroethyl)-m-bromostyrene is incorporated into a surface layer of the soil of a field plot infested with the tubers and/or underground stems of the said perennial grasses and sedges at a concentration in the range of about 0.25 to about 50 ppm, and more preferably about 1 to about 25 ppm within the layer, and the layer being about 1/8 to about 6 inches in thickness and the dosage rate of halostyrene compound being at least about 0.5 pound per acre and up to about 10 pounds per acre and preferably below about 4 pounds per acre. Essentially a substantial portion of the compound is incorporated in the soil above most of the tubers and/or underground stems of the perennial grasses and sedges to be controlled, or directly contacted with said tuber and/or stems.

Abstract: A method of preparing derivatives of aromatic compounds including the catechol function ##STR1## by replacement of one of the hydroxyls by mercaptan ##STR2## Cathechol or a multi-ring compound (naphthyl-, anthryl-, phenanthryl-, etc.

Abstract: This invention relates to the selective herbicidal activity of fluoroaminopyridazines. In particular, these compounds exhibit preemergence and postemergence herbicidal activity on many of the major weeds including perennial weeds such as nutsedge and quackgrass. These compounds are particularly effective in selectively controlling weeds in agronomic crops.