農薬の精製法

Japanese Patent JP4986380

B2

The present invention describes a method of purifying a pesticide that includes: a) melting a pesticide, wherein the pesticide includes at least one active ingredient and at least one impurity capable of inhibiting crystallization; b) coating the pesticide on a substrate to form a pesticide particle; c) substantially reducing the amount of crystallization inhibiting impurity by an azeotropic method; and d) crystallizing the pesticide. In another embodiment, the present invention includes a method of purifying a pesticide as described above, such that the pesticide has a melting point of not more than about 90° C. Also included in the invention is the product produced by the above process for the pesticide, methyl N-(2-{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl}phenyl)N-methoxy carbamate.

JP2006505528	3-Hydroxy-4- (cyclyl-alkylaminoalkyl) -5 as an antagonist of gonadotropin-releasing hormone (gonadotropin-releasing hormone: GNRH) used to treat sex hormone-related conditions such as prostate and uterine cancer -A derivative of phenyl-1H-pyrazole
JP2818829	[Title of Invention] Aryloxypropanol Aminotetralins, a method for producing the same, and a pharmaceutical product containing them.
JPS61167664	1-ARYL-4-NITROPYRAZOLES

Finch, charles, william
Firsch, Kenneth, Eugene

JP2003579567A

July 25, 2012

March 25, 2003

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BASF SE

C07D231/22; A01N25/14; A01N25/26; A01N47/20; A01N47/24; A01P3/00; A01P5/00; A01P7/02; A01P7/04; A01P13/00

JP10504810A

US5654258

Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Eiichi Arai

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