Abstract: The reaction of cyanoolefins, aminocarbonylolefins or hydroxyiminoolefins with a Vilsmeier reagent leads to 2-halogenopyridines which bear aldehyde groups in the 3 and/or 5 position. These pyridinealdehydes are valuable intermediates for the preparation of pharmaceuticals and crop protection agents.

Abstract: 1-Trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes of the formula ##STR1## in which R.sup.1 represents a straight-chain or branched alkyl radical andR.sup.2 represents an optionally substituted aryl or hetaryl radical,their preparation from an aldehyde of the formula R.sup.2 --CHO, an alcohol of the formula R.sup.1 --OH and trifluoromethylnitromethane in the presence of a compound containing basic groups and antimycotic agents containing these compounds.

Abstract: The present invention relates to new substituted benzoxazepines and benzothiazepines of the general formula I ##STR1## in which X, R.sup.1, R.sup.2 and R.sup.3 have the meaning given in the description, processes for their preparation and their use in medicaments having vaso- and muscle-relaxing properties, in particular as circulatory agents.

Abstract: The invention relates to new fluoromethylated polycyanobenzenes of the formula ##STR1## in which X represents hydrogen, fluorine or chlorine,m is 1 or 2 andn is (6-m),to a process for their preparation and to the salt-like alkali metal cyanide adducts of the fluoromethylated polycyanobenzenes formed as intermediates in this preparation process and to the use of the fluoromethylated polycyanobenzenes for the detection of anions.

Abstract: 1-Trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes of the formula ##STR1## in which R.sup.1 represents a straight-chain or branched alkyl radical andR.sup.2 represents an optionally substituted aryl or hetaryl radical,their preparation from an aldehyde of the formula R.sup.2 -CHO, an alcohol of the formula R.sup.1 -OH and trifluoromethylnitromethane in the presence of a compound containing basic groups and antimycotic agents containing these compounds.

Abstract: A process for the preparation of 2-chloro-5-chloromethyl-thiazole of the formula: ##STR1## comprising reacting allyl isothiocyanate of the formulaCH.sub.2 .dbd.CH--CH.sub.2 --NCSwith about 2 to 20 times its molar amount of chlorine at a temperature from above 0.degree. to 150.degree. C.

Abstract: 4,5-Dichloroimidazole-2-carboxylic acid derivatives of the formula ##STR1## in which the group ##STR2## represents a carbon atom which has three bonds to hetero-atoms, and their salts with bases, possess insecticidal, acaricidal, fungicidal, nematicidal and herbicidal properties.

Abstract: The imidazole-2-carboxylic acid amides of the general formula ##STR1## in which R represents alkyl, have powerful growth-regulating properties.The invention provides a method of regulating the growth of plants, which comprises applying to the plants, or to a habitat thereof, a compound of the formula (I) alone or in the form of a composition containing as active ingredient a compound of the formula (I) in admixture with a diluent or carrier.

Abstract: Acyloxamide compounds of the formula ##STR1## in which R is chlorine, alkyl of from 1 or 2 carbon atoms or chloroalkyl of from 1 or 2 carbon atoms and 1 to 5 chlorine atomse.g., 2,2-dichloropropionyl-oxamide and trichloroacetyl-oxamide are outstandingly effective as plant growth regulants. spThis is a continuation of application Ser. No. 964,223 filed Nov. 27, 1978, abandoned.

Abstract: The invention covers compounds of the formula ##STR1## in which R.sup.1 and R.sup.5 each represents 0, 1, 2, 3 or 4 of the following substituents: alkyl, hydroxyl, acyloxy, alkoxy, nitro, amino, alkylamino, dialkylamino, acylamino, acylalkylamino, alkoxycarbonylamino, halogen, trifluoromethyl, cyano, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, aminosulphonyl, alkylaminosulphonyl, dialkylaminoamino, R.sup.2 is hydrogen, optionally substituted alkyl, aralkyl or aryl or heterocyclo-alkyl, acyl or alkoxycarbonyl, and R.sup.3 and R.sup.4 are each hydrogen, or optionally substituted alkyl, aralkyl, aryl or hetero-aryl, are useful as medicaments which have an action on the central nervous system, in particular as, for example, tranquilizers and/or antiamnesics. Also included in the invention are methods for preparing said compounds, compositions containing them and methods for the use of said compounds and compositions.

Abstract: 4,5-Dichloroimidazole-2-carboxylic acid derivatives of the formula ##STR1## in which the group ##STR2## represents a carbon atom which has three bonds to hetero-atoms, and their salts with bases,possess insecticidal, acaricidal, fungicidal, nematicidal and herbicidal properties.

Abstract: Process for the preparation of 2,4,5-trichloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R a radical which can be split off under the reaction conditions andR' an optionally substituted lower alkyl radical,Are reacted at temperatures from 0.degree. to 50.degree. C. with less than 7.5 mols of chlorine, in particular 3.5 to 7.0 mols of chlorine, and the reaction products are then after-heated to temperatures of 100.degree.-150.degree. C., in particular 110.degree.-140.degree. C., in the absence of chlorine.

Abstract: Process for the preparation of 2,4,5-trichloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R = a radical which can be split off under the reaction conditionsAre reacted with more than 7 and less than 13 mols of chlorine, in particular 11 mols of chlorine, at temperatures from 0 - 40.degree. C. and the reaction mixture is then subsequently heated in the absence of chlorine to temperatures from about 100 - 150.degree. C., in particular 110 - 140.degree. C.

Abstract: Process for the preparation of tetrachloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R = a radical which can be split off under the reaction conditions,Are reacted with chlorine or agents which release chlorine, preferably at temperatures from 0.degree.-150.degree. C and using more than 7 mols of chlorine, in particular using 11-13 mols of chlorine.

Abstract: Process for the preparation of tetrachloropyrimidine, characterized in that compounds of the formula ##STR1## wherein R = a radical which can be split off under the reaction conditions andR' = optionally substituted lower allyl radical, are reacted with chlorine or agents which release chlorine, preferably at temperatures from 0.degree. to 150.degree. C and using more than 7.5 mols of chlorine, preferably 8 to 9 mols of chlorine.

Abstract: New imidazolidinedione compounds of the formula ##STR1## in which R is chlorine, alkyl of 1 or 2 carbon atoms or chloroalkyl of 1 or 2 carbon atoms and 1 to 5 chlorine atomsAre outstandingly effective as plant growth regulants and have surprisingly been found to exhibit substantially greater activity than conventional materials of this type.

Abstract: Perchlorodiazafulvene having the formula ##STR1## IS PREPARED BY REACTING 2,4,5-TRICHLORO-2-TRICHLOROMETHYL-2H-imidazole having the formula ##STR2## WITH DECHLORINATING AGENTS AT ELEVATED TEMPERATURES AND IS USEFUL AS A FUNGICIDE.

Abstract: The new compound N-(1,2,2,2-tetrachloroethyl)-formimide chloride of the formula ##STR1## is produced by reacting a substituted formamide of the formula ##STR2## wherein X is OH or Cl,With approximately the stoichiometrically required amount of a highly reactive inorganic acid chloride, e.g. phosphorus pentachloride. The compound (I) can be reacted with sulfur at about 150.degree. to 250.degree. C to produce trichlorothiazole of the formula ##STR3## which is known to have insecticidal activity.

Abstract: 2,5-Dichloro-thiazolo[4,5-d]thiazole, which is useful as a fungicide, is prepared by reacting compounds having the formula ##EQU1## wherein X.sub.1 is Cl, andX.sub.2 is H or Cl orX.sub.1 and X.sub.2 together form a C-C bondIn the temperature range of 150.degree. to 300.degree. C, with at least the stoichiometrically required amount of sulphur.