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pyrazole
pyrazole Chem. (ˈpaɪər-, ˈpɪrəzəʊl) [ad. G. pyrazol (L. Knorr 1885, in Ber. d. Deut. Chem. Ges. XVIII. 311). f. pyrrol pyrrole with inserted az- (see azo-).] A weakly basic white crystalline solid, CH:CH·CH:N·NH; any substituted derivative of this.1887 Jrnl. Chem. Soc. LII. ii. 665 In order to exami...
Oxford English Dictionary
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Pyrazole
Pyrazole is an organic compound of azole group with the formula C3H3N2H. Pyrazole itself reacts with potassium borohydride at high temperatures (~200 °C) to form a tridentate ligand known as Tp ligand:
3,5-Diphenyl-1H-pyrazole
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define pyrazole
Pyrazole is an organic compound with the formula C3H3N2H. Notable drugs containing a pyrazole ring are celecoxib and the anabolic steroid stanozolol.
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Pyrazolidine
Preparation
Pyrazolidine can be produced by cyclization of 1,3-dichloropropane or 1,3-dibromopropane with hydrazine:
See also
Pyrazole
Pyrazoline
References
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en.wikipedia.org
3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid
Synthesis
The first reported synthesis of the pyrazole acid was in 1993, by chemists at Monsanto. This ester is then hydrolysed with sodium hydroxide to give the pyrazole acid.
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Phenylpyrazole insecticides
The chemical structures of these insecticides are characterized by a central pyrazole ring with a phenyl group attached to one of the nitrogen atoms of the pyrazole.
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Pydiflumetofen
The compound is an amide which combines a pyrazole acid with a substituted phenethylamine to give an inhibitor of succinate dehydrogenase. This, in turn, is reduced with sodium cyanoborohydride to give the amine required for amide formation with the acid chloride of the pyrazole.
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5F-AB-FUPPYCA
5F-AB-FUPPYCA (also known as AZ-037) is a pyrazole-based synthetic cannabinoid that is presumed to be an agonist of the CB1 receptor and has been sold It may be considered an analog of the traditional pyrazole cannabinoid receptor 1 antagonist rimonabant.
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TWI766916B - Diaryl pyrazole compound and formulation for controlling ...
A compound represented by the following Formula (I) or a salt thereof, as well as a formulation for controlling harmful organisms, and in particular, an insecticidal formulation, a miticidal formulation, a formulation for controlling ectoparasites or a formulation for controlling or killing endoparasites, which contains at least one compound selected from the compounds of Formula (I) and salts ...
patents.google.com
3-amino-5-phenyl-1h-pyrazole-4-carbonitrile_42754-61-0_해서 화공
해서 화공 cas 42754-61-0,3-amino-5-phenyl-1h-pyrazole-4-carbonitrile;hr102570.
www.hairuichem.com
Pyrazolylalanine synthase
The systematic name of this enzyme class is L-serine hydro-lyase [adding pyrazole 3-(pyrazol-1-yl)-L-alanine-forming]. Other names in common use include β-pyrazolylalaninase, β-(1-pyrazolyl)alanine synthase, and L-serine hydro-lyase (adding pyrazole).
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WO2011147296A1 - Pyrazole derivatives - Google Patents
Add oxalyl chloride (38.07g, 300mmol), benzene (350mL), (R)-N-Cbz-valine (62.30g, 250mmol) and DMF (6 drops) to the reaction flask of 1000mL, stir the reaction at room temperature After 3 hours, decyl alcohol (350 mL) was added, and the reaction was further stirred for 1 hour to stop the reaction.
patents.google.com
Diazole
The two isomers are:
Imidazole (1,3-diazole)
Pyrazole (1,2-diazole)
References
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CN105646530A - Phenyl pyrazole compound, preparation method and ...
The invention relates to a compound with a structure shown as the specification, a preparation method and application thereof. The preparation method includes: reacting edaravone, sodium metabisulfite, and 1, 2-propylene glycol, placing the obtain solution under a 35-55DEG C ambient temperature for 96-168h, and performing filtering for standby use; then separating the edaravone solution by ...
patents.google.com
Beta-pyrazolylalanine synthase
The systematic name of this enzyme class is O3-acetyl-L-serine:pyrazole 1-(2-amino-2-carboxyethyl)transferase. ), BPA-synthase, pyrazolealanine synthase, pyrazolylalaninase, and 3-O-acetyl-L-serine:pyrazole 1-(2-amino-2-carboxyethyl)transferase.
wikipedia.org
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