66121-71-9Relevant articles and documents
N-alkyl-cyanopyrazole synthetic method
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Paragraph 0017, (2018/11/22)
The invention discloses an N-alkyl-cyanopyrazole synthetic method which comprises the following step of by taking 1-alkyl-1H-pyrazole formaldehyde or a derivative thereof, ammonia water, sodium bromate and acetic acid as raw materials and water as a reaction solvent to obtain N-alkyl-cyanopyrazole . The synthetic method provided by the invention is simple in technology without using extremely toxic substances, convenient in synthesis, high in yield, convenient in purification of an obtained product and beneficial to large-scale industrial production.
SUBSTITUTUED PYRAZOLE COMPOUNDS AND PROCESS FOR PREPARATION THEREOF.
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Page/Page column 143, (2014/01/17)
The present disclosure provides a compound of formula I, its derivatives, salts, stereo-isomers, or regio-isomers thereof, useful as intermediates in preparation of sulfonamide or sulfonyl urea growth regulators or herbicides. Formula I The present disclosure further provides a process for preparing compound of formula I, its derivatives, salts, stereo-isomers, or regio-isomers thereof.
SUBSTITUTED TETRAZOLE COMPOUNDS AND PROCESS THEREOF
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Page/Page column 133, (2014/01/17)
The present disclosure provides a compound of formula I, its derivatives, salts, stereo-isomers, or regio-isomers thereof, useful as intermediates in preparation of sulfonamide or sulfonyl urea growth regulators or herbicides. Formula I The present disclosure further provides a process for preparing compound of formula I, its derivatives, salts, stereo-isomers, or regio-isomers thereof.
