1228284-64-7Relevant academic research and scientific papers
A method of preparing fluorine zuozuo fungus acid radical hydroxylamine (by machine translation)
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, (2018/10/19)
The present invention provides a method for preparing fluorine zuozuo fungus acid radical of hydroxylamine, which belongs to the field of the preparation of the original pharmaceutical compound. The invention relates to a method for the preparation of hydroxylamine fluorine zuozuo fungus acid radical, (1) will be to P-chloroaniline with isopropenyl acetate reaction, to obtain the 4 '- chlorophenyl acetone; (2) then benzene ring chlorination reaction, to obtain 2', 4 ', 6' - trichlorobenzene acetone; (3) to carry out the reduction reaction of carbonyl, to obtain 1 - (2 ', 4', 6 '- three-chlorophenyl) - 2 - propanol; (4) to hydroxy halogenated reaction to obtain 1 - (2', 4 ', 6' - three-chlorophenyl) - 2 - chloro propane; (5) with methoxamine amination reaction, to obtain the O - methyl N - [1 - methyl - 2 - (2, 4, 6 - tri-chlorophenyl) - ethyl] - hydroxylamine; (6) under the effect of the bonding agent in the step (5) with the product of 3 - difluoromethyl - 1 - methyl - 1 H - pyrazole - 4 - formyl chloride undergo the substitution reaction, to obtain the fluorine zuozuo fungus acid radical hydroxylamine. By improving the process for preparing fluorine zuozuo fungus acid radical hydroxylamine, change the intermediate synthetic route, avoid the traditional [...] cyano sodium borohydride reduction process, the production cost is reduced. (by machine translation)
PROCESS FOR THE PREPARATION OF PHENYL SUBSTITUTED 3 - DIFLUOROMETHYL - 1 -METHYL - 1H - PYRAZOLE - 4 - CARBOXYLIC N-METHOXY- [1 -METHYL- 2 - PHENYLETHYL] AMIDES
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Page/Page column 12, (2013/09/12)
The invention relates to a process for the preparation of a compound of formula (I), wherein R1, R2 and R3 are as defined in claim 1, which process comprises a) adding a compound of formula (II), in the presence of an inert organic solvent to a mixture comprising an organic nitrite of formula (III) (R4-O-N=O (III)), wherein R4 is C1-C8alkyl, a compound of formula (IV), and an inert organic solvent; b) reacting the resulting compound of formula (V), with H2N-O-CH3 to the compound of formula (VII), c) reducing the compound of formula (VII) to the compound of formula (VIII), d) and reacting the compound of formula VIII with a compound of formula (IX), in which R* is halogen, hydroxy or C1-6 alkoxy, to the compound of formula (I).
CROP ENHANCEMENT
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Page/Page column 24, (2013/12/03)
The invention relates to a method of crop enhancement. In particular, it relates to method of enhancing crop plants by applying to the plants, plant parts, plant propagation material, or a plant growing locus, a compound of formula (I), and to the use of said compound for enhancing crops.
NOVEL PYRAZOLE-4-N-ALKOXYCARBOXAMIDES AS MICROBIOCIDES
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, (2011/10/10)
Compounds of formula (I) in which the substituents are as defined in claim 1, are suitable for use as microbiocides.
NOVEL MICROBIOCIDES
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Page/Page column 23-24, (2010/06/20)
Compounds of formula (I) in which the substituents are as defined in claim 1,are suitable for use as microbiocides.
