Basf Aktiengesellschaft

Badische Anilin- & Soda-fabrik Aktiengesellschaft

Werner Fuchs

Rolf Platz

Norbert Rieber

Bruno Wuerzer

Johann Jung

Ulf-Rainer Samel

Volker Vogt

Heinrich Bohm

Christian Dudeck

Wolfgang Vodrazka

Andreas Scholz

A process for the preparation of polycyclic nitrogen-containing compounds of the formula ##STR1## where R is hydrogen or an organic radical, wherein a compound of the formula ##STR2## where Alk is alkyl of 1 to 4 carbon atoms and R has the above meanings, is reacted with a solution of an alkali metal hydroxide or of calcium hydroxide and the product is then oxidized.

Preparation of polycyclic nitrogen-containing compounds

A process for the simultaneous preparation of pyrazole and triazoles by reacting a triazoline compound with a basic compound and then oxidizing the product with hydrogen peroxide. The triazoles and pyrazole obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides and drugs.

Simultaneous preparation of pyrazole and triazoles

1-Hydroxypyrazole and a process for its preparation by conversion of isoxazolineazoxy compounds at 140.degree.-600.degree. C. The end products obtainable by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.

1-Hydroxypyrazole

New and valuable polycyclic compounds which contain nitrogen-containing rings and have a strong action on plants, agents for influencing plant growth containing these compounds, and a method of influencing plant growth with these compounds.

Polycyclic nitrogen-containing compounds

Tri/penta/aza-tetracyclo-dodeca/enes/dienes or diecaenes

Tri/penta/aza-tetracyclo-dodeca/enes/dienes or-decaenes

Tricyclic nitrogenous compounds having strong plant growth regulating properties are disclosed. The compounds display the general formula ##STR1## wherein A is one of several nitrogen-containing radicals, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are selected from various recited aliphatic, aryl, araliphatic and heterocyclic groups. R.sup.3 and R.sup.4 may also together form one of a number of nitrogen, sulfur and oxygen containing radicals. These compounds have a variety of uses, including the reduction of plant growth height without harm to the plant.

Tricyclic nitrogenous compounds having string plant growth regulating

Mono- and poly-ethylene glycol dialkyl ethers I

Preparation of mono- and poly-ethylene glycol dialkyl ethers

Recovery of pure propylene oxide from propylene oxide which is contaminated by C.sub.6 hydrocarbons and methyl formate, by distillation with the addition of more methyl formate so that the amount of methyl formate is four times that of the 2-methylpentane present.

Propylene oxide recovery by azeotropic distillation of methyl

A continuous process for the manufacture of cyclohexanol from cyclohexene in two stages involving the addition of sulfuric acid and hydration, the addition of sulfuric acid being carried out in the presence of iron(II) sulfate. In a special embodiment, the addition of sulfuric acid is carried out in the first stage at atmospheric pressure and at the boiling temperature of cyclohexene.

Manufacture of cyclohexanol from cyclohexene

Organic monoisocyanates and/or polyisocyanates are manufactured by reaction of primary organic amines with phosgene in the absence of organic solvents.

Manufacture of organic isocyanates

Organic isocyanates are manufactured, in the absence of organic solvents, by reaction of primary organic amines with hydrogen chloride, to give amine hydrochlorides, subsequent phosgenation, and thermal decomposition of the carbamyl chlorides formed as intermediates.

Growing community of inventors

Ludwigshafen, Germany

Werner Fuchs