摘要:
The present invention relates to a process for preparing sulfamoyl halides of primary or secondary amines, comprising the following steps: i) reacting a primary or secondary amine A1 with at least equimolar amounts of SO3 or an SO3 source in the presence of at least equimolar amounts of a tertiary amine A2, based in each case on the amine A1, and ii) reacting the reaction mixture obtained in step i) with at least the amount of a phosphorus halide required by the stoichiometry; The invention further relates to a process for preparing sulfonic diamides, comprising the preparation of sulfamoyl halides by means of carrying out steps i) and ii) and subsequently reacting the sulfamoyl halide obtained with ammonia. The invention further relates to the use of this process for preparing active herbicidal ingredients having a sulfuric diamide structure. The invention further relates to novel sulfamoyl chlorides.
摘要:
The present invention relates to a process for preparing sulfamoyl halides of primary or secondary amines, comprising the following steps: i) reacting a primary or secondary amine Al with at least equimolar amounts of SO3 or an SO3 source in the presence of at least equimolar amounts of a tertiary amine A2, based in each case on the amine A1, and ii) reacting the reaction mixture obtained in step i) with at least the amount of a phosphorus halide required by the stoichiometry; The invention further relates to a process for preparing sulfonic diamides, comprising the preparation of sulfamoyl halides by means of carrying out steps i) and ii) and subsequently reacting the sulfamoyl halide obtained with ammonia. The invention further relates to the use of this process for preparing active herbicidal ingredients having a sulfuric diamide structure. The invention further relates to novel sulfamoyl chlorides.
摘要:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
摘要:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
摘要:
A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I in which the variables R1-R6 are as defined in claim 1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II, in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.
摘要:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
摘要:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described.Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
摘要:
A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described.Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
摘要:
Disclosed are 3-heterocyclyl substituted benzoic acid derivatives of general formula (I), in which the variables R1 to R8 and X have the meanings indicated in claim 1, and the use thereof as herbicides or for desiccating/defoliating plants.
摘要:
Phenoxy- and thiophenoxyacrylic acid compounds of the formula I in which Het, R1, R2, R3, V, W and Z are as defined in claim 1 and processes for their preparation, intermediates for their preparation, herbicidally active compositions comprising the compounds of the formula I and a method for controlling harmful fungi are described.