Abstract: Arylisothiocyanates are prepared by reacting a primary arylamine with carbon disulfide in the presence of a tertiary amine.

Abstract: Acylanilides of the formula ##STR1## wherein R.sup.1 and R.sup.2, the same or different, each is cyano, carbamoyl, nitro, halogeno, perfluoroalkyl or other defined substituents;R.sup.3 is hydrogen or halogen;R.sup.4 is hydrogen or alkyl, or is joined to R.sup.5 ;R.sup.5 is hydrogen, hydroxy, alkoxy or acyloxy or is joined to R.sup.4 ;R.sup.6 is alkyl or halogenoalkyl, or has the formula --A.sup.3 --R.sup.8 or --A.sup.4 --X.sup.2 --A.sup.5 --R.sup.9 ;A.sup.1 and A.sup.4, the same or different, each is alkylene;A.sup.2, A.sup.3 and A.sup.5, the same or different, each is a direct link or alkylene;X.sup.1 and X.sup.2, the same or different, each is oxygen, sulphur, sulphinyl, sulphonyl, imino or alkylimino;R.sup.7 and R.sup.9, the same or different, each is alkyl, alkenyl, hydroxyalkyl, cycloalkyl, phenyl optionally substituted, naphthyl or heterocyclic optionally substituted;and R.sup.8 is phenyl, naphthyl or heterocyclic as defined above for R.sup.7 or R.sup.

Abstract: 1,3,5-Tris(1-isocyanatomethylethyl)benzene is disclosed as a component in coating formulations and the like.

Abstract: The invention relates to novel urease inhibited fertilizer compositions containing urea and a urease inhibiting amount of one or more diaminophosphinyl compounds having oxidized sulfur functions, and methods and composition for inhibiting the activity of urease through use of such compounds.

Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or straight-chain alkyl; R.sup.2 is --CN, --R, --COR, --COOR or when R.sup.2 is positioned on an aromatic ring R.sup.2 also can be --OR, --OOCR or --F; R is alkyl; A is a group with 1 to 4 six-membered rings, these rings being linked directly with one another and with ring B in each case via a single covalent bond or being linked at one or two positions also via --COO--, --OOC-- or --CH.sub.2 CH.sub.

Abstract: Alpha-tertiary nitriles, a process for making the same, and fragrant substances containing the same, in which the nitriles having the general formula ##STR1## wherein R.sub.1 represents an alkyl radical with 1-3 carbon atoms,R.sub.2 and R.sub.3 stand for hydrogen and an alkyl radical with 1-3 carbon atoms, andR.sub.4 is an allyl or benzyl radical.

Abstract: A one step process for the preparation of certain cyanomethyl carboxylates is disclosed which comprises reacting an appropriate acyl compound with a water soluble metal cyanide such as sodium cyanide or potassium cyanide and an aldehyde such as formaldehyde, acetaldehyde, or benzaldehyde. Also disclosed is a method for inhibiting bacteria by contacting said bacteria or habitat thereof with an effective amount of an antibacterial cyanomethyl carboxylate.

Abstract: The present invention relates to 3-(4-fluorophenoxy)propionitrile having the formula (I): ##STR1## a process for preparing 3-(4-fluorophenoxy)propionitrile having the formula (I) which comprises reacting 4-fluorophenol and acrylonitrile in the presence of a tertiary amine, a process for preparing 6-fluoro-4-chromanone having the formula (II): ##STR2## which comprises reacting 3-(4-fluorophenoxy)propionitrile having the formula (I) with an acid, and a process for preparing 6-fluoro-4-chromanone having the formula (II) which comprises reacting 4-fluorophenol with acrylonitrile in the presence of a catalyst to give 3-(4-fluorophenoxy)propionitrile having the formula (I), which is then reacted with an acid. 6-Fluoro-4-chromanone is an important intermediate for the synthesis of (S)-2,3-dihydro-6-fluoro-spiro[4H-1-benzopyran-4,4'-imidazolidine]-2',5'di one (USAN: sorbinil).

Abstract: The invention relates to novel urease inhibited fertilizer compositions containing urea and a urease inhibiting amount of one or more o-diaminophosphinyl derivatives of oximes, and methods and composition for inhibiting the activity of urease through use of such compounds.

Abstract: A compound having the structural formula ##STR1## wherein R is halogen, including fluorine, chlorine, bromine and iodine, preferably chlorine; methyl, ethyl, ethenyl, methoxy, nitro, trifluoromethyl or cyano; R.sub.1 is hydrogen, methyl, ethyl, or allyl; and X is in either the 2- or 3-position and is hydrogen, 2-methyl, 3-methyl, 2-chlorine, 3-chlorine, 2-fluorine, 3-fluorine or 2-methoxy and their use as postemergent herbicides.

Abstract: A process for the preparation of a substituted trialkylsilyloxymalonic acid dinitrile of the formula ##STR1## in which R.sup.1 is optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl or optionally substituted heteroaryl,R.sup.2 is C.sub.1-4 -alkyl andn is an integer from 1 to 4, comprising reacting a trialkylsilyl cyanide of the formula(R.sup.2).sub.

Abstract: A novel process for the preparation of intermediates in the totally synthetic antihypercholesterolemic agents, 6-[2-[1,1'-biphenyl]-2-yl-ethenyl] pyranones, involving a highly efficient nickel catalyzed aryl cross-coupling reaction is disclosed.

Abstract: This invention relates to a process for the preparation of aromatic polyisocyanates containing urea and/or biuret groups, optionally in the form of a mixture of homologues and/or isomers, by the reaction of aromatic diisocyanates with diamines having primary or secondary amino groups at about 20.degree. to 180.degree. C., and at an equivalent ratio of isocyanate groups to amino groups in the range of 5:1 to 100:1, at least 25 mol percent of the diisocyanates put into the process and/or at least 25 mol percent of the diamines put into the process being alkyl-phenylene diisocyanates or, respectively, alkyl-phenylene diamines, in which the alkyl substituents have 6 to 18 carbon atoms, and the use of the products of the process, optionally as solutions in excess starting diisocyanate, as isocyanate components in the production of polyurethanes.

Abstract: The present invention relates to a method for concentrating light by means of fluorescent compounds in plastic sheets or films, wherein perylene compounds are used for this purpose.

Abstract: New 2-arylimidazopyridines of the general formula I ##STR1## wherein --A.dbd.B-- is (a) --CH.dbd.N-- or (b) N.dbd.CH--, Ar is a phenyl radical, which, in case (a), is substituted by one or two alkynyloxy, cyanomethoxy, carboxymethoxy, and/or alkyloxycarbonylmethoxy groups, and can be substituted by one or two additional hydroxyl, alkyloxy, alkenyloxy and/or alkynyloxy groups, or which in case (b), is substituted by one to three hydroxyl, mercapto, and/or --Z--R groups,Z is --O--, --S-- or --SO-- andR is alkyl, alkenyl, alkynyl, hydroxyalkyl, cyanomethyl, carboxymethyl or alkyloxycarbonylmethyl, the alkyl, alkenyl, alkynyl and hydroxyalkyl groups each having up to 5 C atoms, but wherein in case (b), the phenyl radical is only substituted by hydroxyl or methoxy groups if it has at the same time at least one other substituent differing from these,and their physiologically acceptable salts shown positive inotropic effects.

Abstract: There are provided novel 5-fluorobenzonitrile derivatives which exhibit low .beta..sub.1 heart stimulant activity and are useful for increasing the lean meat to fat ratio and/or enhancing the growth rate of warm-blooded animals by, orally or parenterally, administering to said animals an amount of a 5-fluorobenzonitrile derivative or a pharmacologically acceptable salt thereof effective for achieving one or more of the above-identified metabolic improvements in said warm-blooded animals.

Abstract: A fluorinated isophthalonitrile compound having the general formula ##STR1## wherein Y is --O, --S, or --N(R'), R and R' are independently hydrogen, an alkyl group, an alkyl group, an alkynyl group, a haloalkyl group, an alkoxyl group, alkoxyalkyl group, a phenyl group which may be substituted, a tetrahydrofurfuryl group, or a cycloalkyl group, provided that, in the case of Y=--N(R'), R and R' or Y may be a tetrahydrofurfuryl group, or a cycloalkyl group, a heterocyclic compound residue.This fluorinated isophthalonitrile compound is suitable for use as an agricultural fungicide.

Abstract: A process for producing Meldrum's acid in excellent yield wherein acetic anhydride is added in a slow, controlled manner to a mixture of acetone, malonic acid and an acid catalyst.

Abstract: The present invention relates to diisocyanates having an isocyanate content of from about 20 to 50% by weight, optionally in the form of isomeric mixtures, characterized in that, in addition to containing a sterically unhindered isocyanate group attached to a primary aliphatic carbon atom, they contain a sterically hindered isocyanate group attached to a tertiary carbon atom which forms part of a cycloaliphatic ring system.The invention also relates to the use of the new diisocyanates, optionally blocked with blocking agents for isocyanate groups, as isocyanate component for the preparation of polyurethanes.

Abstract: A polyisocyanate or mixture of polyisocyanates in which the main component(s) correspond to the formula: ##STR1## in which R.sub.1, R.sub.2, and R.sub.3 each represent hydrogen or a saturated alkyl group containing from 1 to 12 carbon atoms, provided that at least two of these radicals represent hydrogen; andm, n, o and p each represent 0 or 1, provided that when m, n, o and/or p represent 0, the free valency is taken up by a hydrogen atom and that the sum of m+n+o+p is greater than 1 on a statistical average.Such polyisocyanate or mixture of polyisocyanates may be produced by first reacting a 4-nitrobenzyl halide, a 3-nitrobenzyl halide, a benzyl halide, a benzyl alcohol or a nitrobenzyl chloride isomer mixture with nitrobenzene, an alkyl-substituted nitrobenzene, an alkyl benzene or benzene in the presence of a Friedel-Crafts or an acid catalyst.