- CRYSTALLINE FORM OF FLUOPYRAM
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The present invention relates to the crystalline form of fluopyram according to formula (1), to a process for its preparation, to agrochemical formulations comprising the crystalline form, and to its use in plant protection applications.
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Page/Page column 15
(2020/02/16)
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- Fluopyram and synthesis method thereof
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The invention discloses fluopyram and a synthesis method thereof. The fluopyram comprises the following raw materials: trifluoromethylbenzoic acid, thionyl chloride, ammonia water, water, potassium carbonate, paraformaldehyde, formamide, acetic anhydride, 5-trifluoromethyl-2-dimethyl malonate--3-chloropyridine, sodium chloride and hydrochloric acid. The content of fluopyram obtained in the invention is 98% or more, and the total yield of fluopyram is 63% or more. The synthesis method of the invention does not use cyano groups with high activity, and the yield of aminolysis can reach 93%; the raw materials are simple to treat and high in utilization rate; waste gas, waste water and industrial residues are not produced; and the synthesis method is simple in process and easy to operate and implement.
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- PROCESS FOR THE PREPARATION OF A 2-PYRIDYLETHYLCARBOXAMIDE DERIVATIVE
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Described is a process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (I) or a salt thereof.
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Page/Page column 14
(2018/07/29)
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