Pazenok
Sergi Pazenok, Solingen DE
Patent application number | Description | Published |
---|---|---|
20090326242 | PROCESS FOR PREPARING 3-DIHALOMETHYL-PYRAZOLE-4-CARBOXYLIC ACID DERIVATIVES - The invention relates to a process for preparing 3-dihalomethylpyrazole-4-carboxylic acid derivatives of the formula (I) by reacting α-fluoroamines of the formula (III) in the presence of Lewis acids with acrylic acid derivatives of the formula (II) to give vinamidinium salts of the formula (IV) and the subsequent reaction thereof with hydrazines, and to the vinamidinium salts of the formula (IV) themselves. | 12-31-2009 |
Sergii Pazenok Pazenok, Solingen DE
Patent application number | Description | Published |
---|---|---|
20130018192 | Aryl-substituted Pyrazoles - The present invention relates to a process for preparing 1-aryl-substituted pyrazoles, comprising the reaction of alkoxy enones and enamino ketones with arylhydrazine derivatives to give 1-aryl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-aryl-substituted trihalomethylpyrazoles, and the further processing thereof. | 01-17-2013 |
Sergiy Pazenok, Kelkheim DE
Patent application number | Description | Published |
---|---|---|
20100094052 | PROCESS FOR PREPARING ACYLSULFAMOYLBENZAMIDES - The invention relates to a process for the preparation of a compound of formula (I): | 04-15-2010 |
Sergiy Pazenok, Solingen DE
Patent application number | Description | Published |
---|---|---|
20090054660 | METHOD FOR PRODUCING CARBOXAMIDES - The present invention relates to a novel process for preparing known fungicidally active 1,3-dimethyl-5-fluoro-1H-pyrazole-4-carboxamides from the corresponding acid fluoride and aniline derivatives in the absence of an acid acceptor. | 02-26-2009 |
20090054661 | Method for Producing Carboxamides - The present invention relates to a novel process for preparing known fungicidally active 1,3-dimethyl-5-fluoro- | 02-26-2009 |
20090306401 | Method For The Production of 5-Fluoro-1,3-Dialkyl-1H-Pyrazol-4-Carbonyl Fluorides - The present invention relates to a novel process for preparing known 5-fluoro-1,3-dialkyl-1H-pyrazole-4-carbonyl fluorides which can be used as starting materials for active fungicidal ingredients by a halex reaction. | 12-10-2009 |
20120065164 | FUNGICIDE PYRAZOLE CARBOXAMIDES DERIVATES - The present invention relates to pyrazole carboxamides derivatives of formula (1) wherein Y represents CR | 03-15-2012 |
Sergiy Pazenok, Solingen US
Patent application number | Description | Published |
---|---|---|
20140148411 | FUNGICIDE PYRAZOLE CARBOXAMIDES DERIVATIVES - The present invention relates to pyrazole carboxamides derivatives of formula (1) wherein Y represents CR | 05-29-2014 |