- A clean efficient cyanogen fluorine insect zong synthesis process (by machine translation)
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The invention relates to a clean efficient cyanogen fluorine insect zong synthesis process, comprising the following steps: The compounds of formula I with the compound of formula II in an organic solvent, under the action of a catalyst, the reaction produces cyanogen fluorine insect zong. (by machine translation)
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- Semicarbazone method for the preparation of
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The invention relates to a method for preparing semicarbazone with the structure shown in the general formula I. The method comprises the following step of: performing a reaction on a compound shown in the general formula II with the compound shown in the general formula III, thereby preparing a semicarbazide compound shown in the general formula I, wherein in the general formulas I, II and III, R3 represents C1-C4 alkoxy, C1-C4 halogenated alkyl or C1-C4 halogenated alkoxy; and R1 represents hydrogen or C1-C4 alkyl.
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- PROCESS FOR THE ISOMERIZATION OF SEMICARBAZONE COMPOUNDS
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The present invention relates to a process for the isomerization of the Z-isomer I-Z of a semicarbazone compound of the general formula (I) into its E-isomer I-E wherein the variables in formula (I) have the meanings as defined in the description said process comprising reacting the Z-isomer I-Z or a mixture of the stereoisomers I-Z and I-E in the presence of at least one organic acid.
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Page/Page column 11-12
(2010/04/03)
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- METHOD FOR PRODUCING SEMICARBAZONES
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The invention relates to a method for producing semicarbazone compounds of formula (I) wherein R1 and R2 independently represent hydrogen, halogen, CN, C1-C4 alkyl, C1-C4 alkoxy, C1/s
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Page/Page column 10-11
(2008/06/13)
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