O,O-dialkyl-alpha-[3-bromo-1-(3-chloro-2-pyridyl)-1H-pyrazole-5-formyl]alkyl methylphosphonate derivative as well as preparation method and application thereof

The invention discloses an O,O-dialkyl-alpha-[3-bromo-1-(3-chloro-2-pyridyl)-1H-pyrazole-5-formyl]alkyl methylphosphonate derivative of which the general formula I is as shown in the description, wherein R represents a methyl group, an ethyl group, a propyl group or a butyl group; R represents halog...

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Bibliographic Details
Main Authors WEI LE, YANG CUIFENG, XU ZEGANG, LI BINGBO, WANG LIEPING, HE QIWEN, LIU KANGYUN, LIN SHUANGZHENG, ZHANG JIANGONG, WANG WEI, CHEN TAO, WEI TIANQI, NING BINKE, WU ZONGKAI, ZHANG YUANYUAN, XUE CHAO
Format Patent
LanguageEnglish
Published 23.09.2015
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
AGRICULTURE
ANIMAL HUSBANDRY
CHEMISTRY
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
TRAPPING
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Summary:The invention discloses an O,O-dialkyl-alpha-[3-bromo-1-(3-chloro-2-pyridyl)-1H-pyrazole-5-formyl]alkyl methylphosphonate derivative of which the general formula I is as shown in the description, wherein R represents a methyl group, an ethyl group, a propyl group or a butyl group; R represents halogen, hydrogen, a methyl group or a methoxy group. The invention further discloses preparation methods of like compounds of the O,O-dialkyl-alpha-[3-bromo-1-(3-chloro-2-pyridyl)-1H-pyrazole-5-formyl]alkyl methylphosphonate derivative. The like compounds have remarkable inhibiting effects on three insecticide targets such as armyworms, aphids and red spiders, and can serve as efficient ingredients of an insecticide.
Bibliography:Application Number: CN20151304984