NEW CRYSTAL FORM OF TEMBOTRIONE

The invention belongs to the field of chemical synthesis and discloses a new crystal form of tembotrione, which is a herbicide, a preparation method thereof, and an application thereof as a preparation for plant protection. The present invention obtains a previously unknown, stable, new crystal form...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RAMINHOS, Henrique, SHEN, Yunhe, STROOT, Joerg
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	The invention belongs to the field of chemical synthesis and discloses a new crystal form of tembotrione, which is a herbicide, a preparation method thereof, and an application thereof as a preparation for plant protection. The present invention obtains a previously unknown, stable, new crystal form D of tembotrione by a suitable method and overcomes the disadvantages of amorphous tembotrione. The crystal form D has a crystal structure completely different from three crystal forms A, B and C reported in WO08110621A, and thus fills a gap in national patent protection of this technology. Compared with tembotrione in other crystal forms, tembotrione in crystal form D has the advantages of a higher melting point, better chemical stability, lower dissolution rate, reduced solubility, and is thus suitable for long-term storage. The crystal structure is highly suitable for storing a tembotrione compound.