Bayer Aktiengesellschaft

Mobay Chemical Corporation

Reimer Colln

Wilhelm Sirrenberg

Ingeborg Hammann

Klaus Lurssen

Wilhelm Stendel

Hans-Jochem Riebel

Bernhard Homeyer

Wolfgang Behrenz

Vidyanatha A Prasad

Hermann Arold

Karl H Mohrmann

In a process for the preparation of a substituted thiadiazolyloxyacetamide of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, alkyl, alkenyl, alkenyl, alkinyl, optionally substituted cycloalkyl or cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxy, aralkyl or optionally substituted aryl, or

Preparation of substituted thiadiazolyloxyacetamides

1-Hydroxy-2,2,2-trichloroethane-thionophosphonic acid dialkyl esters of the formula ##STR1## in which R and R.sub.1 each independently is an alkyl radical with 1 to 4 carbon atoms, which possess arthropodicidal properties.

1-Hydroxy-2,2,2-trichloroethane-thionophosphonic acid dimethyl esters as

A process for the preparation of a dithiophosphoric acid diester-halide of the formula ##STR1## IN WHICH R.sup.1 is alkyl with 1 to 10 carbon atoms, aralkyl with 1 to 6 carbon atoms in the alkyl radical, or alkoxyalkyl or alkylthioalkyl with 1 to 5 carbon atoms in each alkyl radical,

Preparation of dithiophosphoric acid diester-halides

Plant-growth regulating compositions and methods having strong effects on plant growth, containing an aminomethanephosphonic acid composed of the formula ##STR1## in which R is an NH.sub.2 group or an --NH.sup..sym..sub.3 X.sup..crclbar. radical wherein

Aminomethanephosphonic acid compounds containing plant-growth regulant

A process for the preparation of O,O-dimethyl-O-(2,2-dichlorovinyl)-thionophosphoric acid ester of the formula ##STR1## comprising reacting O,O-dimethyl-1-hydroxy-2,2,2-trichloroethane-thionophosphonic acid ester of the formula ##STR2## in isopropanol with a 30-50% aqueous solution of an alkali metal hydroxide, possibly present in a small molar excess.

Preparation of O, O-dimethyl-O-(2,2-dichlorovinyl)-thionophosphoric acid

O-Ethyl-S-n-propyl-O-[pyrazolo(1,5a)-pyrimidin(2)-yl]-thionothiolphosphoric acid esters of the formula ##STR1## in which R is hydrogen or halogen,

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Wuppertal, Germany

Reimer Colln