Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3 -yl]pyrimidin-5 -yl methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3 -yl]pyrimidin-5 -yl methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: Process for the preparation of triazinyl-substituted oxindoles of formula (3) and salts thereof by reacting an oxindole (1) with a triazine (2) in the presence of a carbonate, a hydroxide, a phosphate or a mixture of two or more of the aforementioned compounds, and also the compounds of formula (3) and salts thereof (3?) and the use of both for producing crop protection agents.

Abstract: Process for the selective N-sulfonylation of oxindoles, in particular process for the N-sulfonylation of 3-triazinyloxindoles, and also N-sulfonyl-substituted 3-triazinyloxindoles and the use of N-sulfonyl-substituted oxindoles and of N-sulfonyl-substituted 3-triazinyloxindoles as intermediates for the synthesis of fine chemicals and of active ingredients in the field of pharmacy and agriculture, and also the use of these compounds as active ingredients in the field of agriculture.

Abstract: The present application relates to a process based on the oxidative ring opening of a compound with oxindole structure for preparation of substituted 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) proceeding from N-sulfonyl-substituted 3-triazinyloxindole of the formula (2-1), and to the 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) thus prepared, and to the use thereof as intermediates for the synthesis of fine chemicals and of active ingredients in the agricultural sector. The invention also relates to a multistage process for preparation of N-alkyl-N-[2-(1,3,5-triazin-2-ylcarbonyl)phenyl]alkanesulfonamides of the formula (4-1), proceeding from a 3-(alkylsulfanyl)-1,3-dihydro-2H-indol-2-one of the formula (7-1), wherein the multistage process also comprises, as a component step, the oxidative ring opening mentioned, and to the 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) which are obtained by the oxidative ring opening and are used as intermediates in the multistage process.

Abstract: Process for the selective N-sulfonylation of oxindoles, in particular process for the N-sulfonylation of 3-triazinyloxindoles, and also N-sulfonyl-substituted 3-triazinyl-oxindoles and the use of N-sulfonyl-substituted oxindoles and of N-sulfonyl-substituted 3-triazinyloxindoles as intermediates for the synthesis of fine chemicals and of active ingredients in the field of pharmacy and agriculture, and also the use of these compounds as active ingredients in the field of agriculture.

Abstract: Process for the preparation of triazinyl-substituted oxindoles of formula (3) and salts thereof by reacting an oxindole (1) with a triazine (2) in the presence of a carbonate, a hydroxide, a phosphate or a mixture of two or more of the aforementioned compounds, and also the compounds of formula (3) and salts thereof (3?) and the use of both for producing crop protection agents.

Abstract: Process for the selective N-sulfonylation of oxindoles, in particular process for the N-sulfonylation of 3-triazinyloxindoles, and also N-sulfonyl-substituted 3-triazinyloxindoles and the use of N-sulfonyl-substituted oxindoles and of N-sulfonyl-substituted 3-triazinyloxindoles as intermediates for the synthesis of fine chemicals and of active ingredients in the field of pharmacy and agriculture, and also the use of these compounds as active ingredients in the field of agriculture.

Abstract: Process for the preparation of triazinyl-substituted oxindoles of formula (3) and salts thereof by reacting an oxindole (1) with a triazine (2) in the presence of a carbonate, a hydroxide, a phosphate or a mixture of two or more of the aforementioned compounds, and also the compounds of formula (3) and salts thereof (3?) and the use of both for producing crop protection agents.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: The present application relates to a process based on the oxidative ring opening of a compound with oxindole structure for preparation of substituted 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) proceeding from N-sulfonyl-substituted 3-triazinyloxindole of the formula (2-1), and to the 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) thus prepared, and to the use thereof as intermediates for the synthesis of fine chemicals and of active ingredients in the agricultural sector. The invention also relates to a multistage process for preparation of N-alkyl-N-[2-(1,3,5-triazin-2-ylcarbonyl)phenyl]alkanesulfonamides of the formula (4-1), proceeding from a 3-(alkylsulfanyl)-1,3-dihydro-2H-indol-2-one of the formula (7-1), wherein the multistage process also comprises, as a component step, the oxidative ring opening mentioned, and to the 2-(triazinylcarbonyl)sulfonanilides of the formula (1-1) which are obtained by the oxidative ring opening and are used as intermediates in the multistage process.

Abstract: Process for the selective N-sulfonylation of oxindoles, in particular process for the N-sulfonylation of 3-triazinyloxindoles, and also N-sulfonyl-substituted 3-triazinyloxindoles and the use of N-sulfonyl-substituted oxindoles and of N-sulfonyl-substituted 3-triazinyloxindoles as intermediates for the synthesis of fine chemicals and of active ingredients in the field of pharmacy and agriculture, and also the use of these compounds as active ingredients in the field of agriculture.

Abstract: Process for the preparation of triazinyl-substituted oxindoles of formula (3) and salts thereof by reacting an oxindole (1) with a triazine (2) in the presence of a carbonate, a hydroxide, a phosphate or a mixture of two or more of the aforementioned compounds, and also the compounds of formula (3) and salts thereof (3?) and the use of both for producing crop protection agents.

Abstract: The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I) and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.

Abstract: Process for preparing 1,3-dihydro-2H-indol-2-ones, starting from thioalkyl-, or thiocycloalkyl-substituted indol-2-one compounds, involving a) dissolving or suspending the thioalkyl-, or thiocycloalkyl-substituted indol-2-one compounds in a polar solvent, b) adding a sulfur-containing salt to the solution or suspension, and c) heating the reaction mixture under reflux at a temperature which corresponds at most to the boiling temperature of the solvent. Use of the inventively prepared 1,3-dihydro-2H-indol-2-one as intermediates for the synthesis of fine chemicals and active ingredients from pharmacy and/or agriculture.

Abstract: The present invention relates to processes for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate, i.e. the compound of the formula (I) and to a process for purifying the crude product of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate sulphinyldimethane (1:2) of the formula (II) is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.