Abstract: The disclosure refers to a method for manufacturing winding parts for an electric machine. The winding parts include a conductor and insulation around it. The method includes providing the conductor with an insulating tape around it, providing dies above the insulating tape, providing a thermosetting layer around the dies, impregnating the insulating tape with a resin, curing the resin to realise the insulation, removing the thermosetting layer and the dies.

Abstract: A process for producing an omega-functionalized aliphatic carboxylic acid starting from cyclohexanone and omega-functionalized .alpha.-olefins or acrylic esters. The process comprises an addition step, an oxidation step, an isomerization step, and one or more hydrogenation steps. The process allows to use raw materials that are available at low cost and to achieve high selectivity and high yield with industrially simple steps. The process includes the production of new intermediate products, including 2-oxepanone-7-substituted products.

Abstract: A process for producing an omega-functionalized aliphatic carboxylic acid starting from cyclohexanone and omega-functionalized .alpha.-olefins. The process comprises an addition step, an oxidation step, an isomerization step, one or more hydrogenation steps and hydrolysis. The process allows to use raw materials that are available at low cost and to achieve high selectivity and high yield with industrially simple steps. The process includes the production of new intermediate products.

Abstract: A process for the production of benzofuran derivatives having the general formula, ##STR1## wherein R is alkyl, in particular of 2,3-dihydro-2,2-dimethyl benzofuran-7-ol, starting from pyrocatechol ethers in one step operation.The process essentially consists of heating a solution of pyrocatechol ether in an inert organic solvent in the presence of a catalyst comprising metals of 3.degree. and 4.degree. group of the Periodic System in form of carboxylates or of modified zeolites.The products are known intermediates for the production of insecticides.

Abstract: A process for preparing o-isopropoxyphenol (I) by means of the reaction: ##STR1## in which X is a halogen atom and in which the pyrocatechol (II) is reacted with the isopropyl halide (III) in the presence of an alkaline base in the solid state and of a solid-liquid phase transfer catalyst, in a reaction medium constituted by one or more organic solvents.The catalyst is constituted by a quaternary ammonium or phosphonium salt.The reaction is conducted in a nitrogen atmosphere, at atmospheric pressure, under agitation, at a temperature of preferably between 50.degree. C. and 130.degree. C.

Abstract: A process is described for preparing 2,3-dihydro-2,2-dimethylbenzofuran-7-ol (I), which is a useful intermediary in the preparation of Carbofuran, a known multi-functional insecticide.The process consists essentially of reacting the pyrocatechol and a methallylhalide in an inert organic solvent in the presence of a solid inorganic base and a suitable catalyst, to obtain o.methallyloxyphenol with high conversion and high selectivity; this product is thermally transposed to o.methallylpyrocatechol, which is finally cyclized to the product (I) by heterogeneous catalysis in the presence of solid acid catalysts.All stages of the process can be carried out in a single reaction medium, without separating intermediate products.

Abstract: Hydroxyaromatic compounds, especially phenols, are reacted with an alkyl tert.butyl ether in the presence of an acidic catalyst and the as formed light alcoholic fractions are removed by flashing.

Abstract: Process industrially and economically useful for preparing difunctional aliphatic organic compounds of formulaX-(CH.sub.2).sub.n -Yin which n=6,7, X=--COOH, --COOR, Y=--CN, --COOH, --CONH.sub.2, --CH.sub.2 --NH.sub.2 --COOR wherein R is a linear or branched alkyl containing 1-6 carbon atoms.The process starts from a ketone of the formula ##STR1## in which n=2,3 and R.sub.1 =--CN, --COOH. The ketone (I) is changed to the corresponding hydroperoxide by means of H.sub.2 O.sub.2, the hydroperoxide is catalytically split by means of a catalyst Fe.sup.++ /Cu.sup.++ to give an unsaturated acid of the formulaHOOC--(CH.sub.2).sub.3 --CH.dbd.CH--(CH.sub.2).sub.2 -R.sub.1and this is catalytically hydrogenated to the compoundHOOC--(CH.sub.2).sub.n -R.sub.1When R.sub.1 is different from Y, R.sub.1 is changed to Y through known methods.

Abstract: This invention consists of a process for preparing bifunctional aliphatic organic compounds of at least 6 carbon atoms, wherein a cycloaliphatic oxyhydroperoxide is reacted with an alpha-olefine having its double bond activated by a conjugate electron-attracting group, in the presence of a bivalent Cr salt, a bivalent V salt or a trivalent Ti salt.

Abstract: A method for preparing aromatic methylenedioxybenzene products which are optionally substituted in the aromatic ring by alkyl, aldehydo, carboxy, alkoxy, halo or nitro moieties; which comprises treating the corresponding dihydroxybenzene with methylene chloride in the presence of a catalyst selected from among ammonium, phosphonium or arsonium chlorides and bromides. The reaction is conducted in the aqueous phase in the presence of a suitable base, such as a sodium derivative to form a sodium salt of the dihydroxybenzene reactant.The aromatic methylenedioxy products of this invention are known compounds which are used in the chemical, pharmaceutical and cosmetic industries and they have utility as intermediates in the preparation of other known compounds.

Abstract: A method for preparing aromatic aldehydes and ketones in which the aldehydo or keto group is bonded directly to the aromatic ring; which comprises oxidizing an alkyl substituted aromatic compound or an aromatic compound which is substituted by an alpha-hydroxyalkyl moiety, via treatment with a persulfate and a metal catalyst. The metal catalysts include, for example, (1) iron salts and silver salts, or (2) a redox pair of salts such as an iron salt in combination with a copper salt or a silver salt in combination with a copper salt.