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*  ADH4
... exhibits a high activity for oxidation of long-chain aliphatic alcohols and aromatic alcohols and is less sensitive to pyrazole ...
*  Pyrazole
... is a weak base, with pKb 11.5 (pKa of the conjugated acid 2.49 at 25 °C). Pyrazoles are also a class of compounds that ... Pyrazoles react with potassium borohydride to form a class of ligands known as scorpionate. Pyrazole itself reacts with ... Notable drugs containing a pyrazole ring are celecoxib (Celebrex) and the anabolic steroid stanozolol. Pyrazoles are ... "Recent Advances in the Chemistry of Pyrazoles. Part 2. Reactions and N-Heterocyclic Carbenes of Pyrazole". Curr. Org. Chem. 15 ...
*  Acetylacetone
Hydrazine reacts to produce pyrazoles. Urea gives pyrimidines. Condensation with two aryl- and alkylamines to gives NacNacs, ...
*  Cadmium tetrafluoroborate
doi:10.1007/s11173-005-0145-8. J., Reedijk,; G.C., Verschoor, (1973-04-15). "Pyrazoles and imidazoles as ligands. XX. The ... of distorted octahedral geometries for Cadmium tetrafluoroborate complexes with nitrogen-containing ligands such as pyrazoles ...
*  Potassium trispyrazolylborate
The synthesis of KTp involves potassium borohydride and pyrazole without a solvent. KBH4 + 3 pzH → KTp + 3 H2 The tris( ... K[TpMo(CO)3]+ BuONO→TpMo(CO)2NO+CO+KOBu Trofimenko, Swiatoslaw (1967). "Boron-pyrazole chemistry. II. Poly(1-pyrazolyl)-borates ...
*  Scorpionate ligand
These compounds are usually synthesized by reacting pyrazole with alkali-metal borohydrides, such as sodium borohydride NaBH4, ... using different pyrazoles substituted in the 3,4, and 5 positions, a range of different ligands can be formed. In this article ... 5-disubstituted pyrazoles, such as the dimethyl derivative. These bulky pyrazolyl borates have proven especially valuable in ... or indole compounds in place of the pyrazole rings²; the possibility of tripodal heptadentate ligands such as N4O3 from the ...
*  Diketone
Hydrazine, for example, condenses to give pyrazoles. The conjugate base derived from 1,3-ketones form coordination complexes. ...
*  Structural scheduling of synthetic cannabinoids
... pyrazole, imidazole, benzimidazole, pyrrolo[2,3-b]pyridine, pyrrolo[3,2-c]pyridine or pyrazolo[3,4-b]pyridine; (ii) replacement ... "Quinolinoyl pyrazole carboxylate", "Naphthoylimidazole" etc); "(a) In this section: (1) "Core component" is one of the ... following: azaindole, benzimidazole, benzothiazole, carbazole, imidazole, indane, indazole, indene, indole, pyrazole, ...
*  Hans von Pechmann
Pechmann condensation and Pechmann pyrazole synthesis. He also first prepared 1,2-diketones (e.g., diacetyl), ...
*  Fezolamine
The isomeric N,N-dimethyl-4,5-diphenyl-1H-pyrazole-1-propanamine was completely inactive in the primary antidepressant screens ... 4-Diphenyl-1H-pyrazole-1-propanamine antidepressants". Journal of Medicinal Chemistry. 28 (2): 256-60. doi:10.1021/jm00380a020 ...
*  Riociguat
Synthesis of furo[3,2-c]pyrazole derivatives. (4) Synthesis of 1,3-diphenylfuro[3,2-c]pyrazole-5-carboxaldehyde and its ...
*  Nitrilimine
E.g. with alkynes they generate pyrazoles in a 1,3-dipolar cycloaddition. Due to their high energy, they are usually generated ...
*  Trispyrazolylborate
The Tp ligands are usually prepared from the reaction of pyrazole with potassium borohydride: KBH4 + 3 C3H3N2H → K[HB(C3N2H3)3 ... Condensation of 3-substituted pyrazoles with borohydride affords the corresponding substituted Tp derivatives. The substituent ... Because pyrazoles are readily prepared from 1,3-diketones, a large number of substituted Tp complexes are possible. Derivatives ...
*  Allylic rearrangement
The second nucleophile is methylmagnesium bromide expulsing the pyrazole group. An SN2' reaction should explain the outcome of ... sequence a Jacobson epoxidation adds an epoxy group to a diene which serves as the leaving group in reaction with the pyrazole ...
*  Cannabinoid receptor antagonist
Numbering of the central pyrazole ring is shown in Figure 2. A 2,4-dichloro-substituted phenyl ring at the pyrazole 1-position ... Unit C is the central pyrazole ring and unit D represents the carbonyl group which serves as the hydrogen bond acceptor. Unit E ... Based on these results it was concluded that the pyrazole 3-position seems to be involved in agonism, while the 1-,4-,5- ... A large number of fused bicyclic derivatives of diaryl-pyrazole and imidazoles have been reported. An example of these is a ...
*  Pentazole
This set contains pyrrole, imidazole, pyrazole, triazoles, tetrazoles, and pentazole. Substituted analogs of pentazole are ... pyrazoles, a 2-(p-methoxyphenyl) tetrazole and application of the methodology to 1-(p-methoxyphenyl) pentazole". Chemical ... "A Ceric Ammonium Nitrate N-Dearylation of N-p-Anisylazoles Applied to Pyrazole, Triazole, Tetrazole, and Pentazole Rings: ...
*  Indazole
This bicyclic compound consists of the fusion of benzene and pyrazole. Indazole derivatives display a broad variety of ...
*  Lasri condensation
5-diphenyl-1H-pyrazole 4. In this reaction hydrazone 1 is a source of nitrogen for 3,5-diphenyl-1H-pyrazole 4. Additionally, ... Zhang, Ze; Tan, Ya-Jun; Wang, Chun-Shan; Wu, Hao-Hao (2014). "One-pot synthesis of 3,5-diphenyl-1H-pyrazoles from chalcones and ... Lasri, Jamal; Ismail, Ali I. (2017). "Metal-free and FeCl3-catalyzed synthesis of azines and 3,5-diphenyl-1H-pyrazole from ... 5-diphenyl-1H-pyrazole. It is named for the Portuguese-Moroccan chemist Jamal Lasri.[non-primary source needed] The reaction is ...
*  Azine
Zhang, Ze; Tan, Ya-Jun; Wang, Chun-Shan; Wu, Hao-Hao (2014). "One-pot synthesis of 3,5-diphenyl-1H-pyrazoles from chalcones and ... Azines are also produced when chalcone reacts with a hydrazone to produce 3,5-diphenyl-1H-pyrazole, in a conversion also ... 5-diphenyl-1H-pyrazole from hydrazones and/or ketones monitored by high resolution ESI+-MS". Indian Journal of Chemistry B. ... 5-disubstituted pyrazoles under microwave irradiation and classical heating". Journal of Heterocyclic Chemistry. 45 (2): 503- ...
*  Bruce Roth
2. 1,3,5-trisubstituted [2-(tetrahydro-4-hydroxy-2-oxopyran-6-yl)ethyl]pyrazoles". J Med Chem. 33 (1): 31-8. doi:10.1021/ ...
*  Chalcone
Zhang, Ze; Tan, Ya-Jun; Wang, Chun-Shan; Wu, Hao-Hao (2014). "One-pot synthesis of 3,5-diphenyl-1H-pyrazoles from chalcones and ... An example is the conjugate reduction of the enone by tributyltin hydride: 3,5-Disubstituted 1H-pyrazoles can be produced from ... The specific case for formation of 3,5-diphenyl-1H-pyrazole from chalcone itself can be represented as: Juliá-Colonna ... 5-diphenyl-1H-pyrazole from hydrazones and/or ketones monitored by high resolution ESI+-MS". Indian Journal of Chemistry B. ...
*  Hydrazone
Zhang, Ze; Tan, Ya-Jun; Wang, Chun-Shan; Wu, Hao-Hao (2014). "One-pot synthesis of 3,5-diphenyl-1H-pyrazoles from chalcones and ... Hydrazones are converted to azines when used in the preparation of 3,5-disubstituted 1H-pyrazoles, a reaction also well known ... 5-diphenyl-1H-pyrazole from hydrazones and/or ketones monitored by high resolution ESI+-MS". Indian Journal of Chemistry B. ... 5-disubstituted pyrazoles under microwave irradiation and classical heating". Journal of Heterocyclic Chemistry. 45 (2): 503- ...
*  AM-251 (drug)
In AM-251 the p-chloro group attached to the phenyl substituent at C-5 of the pyrazole ring is replaced with a p-iodo group. ... "Structure-activity relationships of pyrazole derivatives as cannabinoid receptor antagonists". J Med Chem. 42: 769-76. doi: ...
*  Ludwig Knorr
His focus gradually shifted from the structure of pyrazoles to the more general concept of tautomerism. In collaboration with ...
*  Potassium tris(3,5-dimethyl-1-pyrazolyl)borate
Hydrogen gas is evolved as each of the pyrazole reacts at the boron. The rate of B-N bond formation becomes more difficult with ...