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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 4. Отображено 4.
21-01-2009 дата публикации

Dihalo propene compound, and preparation and use thereof

Номер: CN0101348464A
Принадлежит:

The invention discloses a dihalogenated propylene compound shown in the general formula (I), in which R<1> is a alkyl having 1 to 5 carbon atoms, a phenyl or a substitutional phenyl; R<2> is an alkyl having 1 to 5 carbon atoms, or a halogenated alkyl having 1 to 5 carbon atoms; R<3> is hydrogen, halogen, a alkyl having 1 to 3 carbon atoms, an alkoxylate having 1 to 3 carbon atoms , a nitryl, a cyano, a thiocyanato, a trifluoromethyl sulfonamide, or a trifluoromethyl sulfinic group; R<4> is halogen, a alkyl having 2 to 4 carbon atoms, a cyano, or a nitryl; X is halogen, n is 2-4, and m is 2-4. The invention also discloses the method for preparing the dihalogenated propylene compound. The dihalogenated propylene compound provided by the invention has excellent effect on prevention and control of pest insects, so that the compound can be used to prepare pesticides in the field of agriculture and gardening, and has the advantages of high efficiency, low toxicity and environmental compatibility ...

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08-12-2010 дата публикации

Dihalo propene compound, and preparation and use thereof

Номер: CN0101348464B
Принадлежит:

The invention discloses a dihalogenated propylene compound shown in the general formula (I), in which R<1> is a alkyl having 1 to 5 carbon atoms, a phenyl or a substitutional phenyl; R<2> is an alkyl having 1 to 5 carbon atoms, or a halogenated alkyl having 1 to 5 carbon atoms; R<3> is hydrogen, halogen, a alkyl having 1 to 3 carbon atoms, an alkoxylate having 1 to 3 carbon atoms , a nitryl, a cyano, a thiocyanato, a trifluoromethyl sulfonamide, or a trifluoromethyl sulfinic group; R<4> is halogen, a alkyl having 2 to 4 carbon atoms, a cyano, or a nitryl; X is halogen, n is 2-4, and m is 2-4.The invention also discloses the method for preparing the dihalogenated propylene compound. The dihalogenated propylene compound provided by the invention has excellent effect on prevention and control of pest insects, so that the compound can be used to prepare pesticides in the field of agriculture and gardening, and has the advantages of high efficiency, low toxicity and environmental compatibility ...

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30-12-2009 дата публикации

Dihalo-propylene compound and preparation method and application thereof

Номер: CN0101613318A
Принадлежит:

The invention discloses a dihalo-propylene compound shown by a general formula (I), wherein R<1> is C1-C5 alkyl, phenyl or substituted phenyl, R<2> is C1-C5 alkyl or C1-C5 haloalkyl, R<3> is hydrogen, halogen, C1-C3 alkyl, C1-C3 alkoxy, nitro, cyano, sulfur cyano, trifluoromethyl sulfonyl or trifluoromethyl sulfinyl; R<4> is halogen, C1-C5 alkyl, cyano or nitro; X is halogen; and n is between 2 and 4, and m is between 2 and 4. The invention also discloses a method for preparing the dihalo-propylene compound. The dihalo-propylene compound has excellent control efficiency to harmful insects, thus the dihalo-propylene compound can be applied to preparing insecticides in the fields of agriculture, gardening and the like, and has the advantages of high efficiency, low toxicity and environmental protection.

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11-02-2009 дата публикации

Pyrazole methanol esters compounds, preparation method and application thereof

Номер: CN0101362720A
Принадлежит:

The invention discloses pyrazole methanol ester compounds shown as the General Formula (I): wherein, R<1> expresses C1-C5 alkyl, phenyl or substituted phenyl; R<2> expresses C1-C5 alkyl or C1-C5 alkyl halide; R<3> expresses C1-C5 alkyl, C1-C5 alkyl halide, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl or hetero aryl; X expresses hydrogen, halogen, C1-C3 alkyl, C1-C3 alkoxy, nitro, cyano, sulfur cyano, trifluoromethyl sulfonyl or trifluoromethyl sulfinyl. The invention also discloses a preparation method and applications of the compounds. The pyrazole methyl ester compounds has excellent control efficiency on harmful pathogenic bacteria, harmful insects and mites and can be used for preparing insecticides, acaricides or fungicides for the agriculture, horticulture and floriculture fields. The pyrazole methyl ester compounds also can be used for preparing control agents of harmful living beings in the fields of forestry, animal husbandry and public health, etc.

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